Objective To discuss the clinical characteristics and treatment principle of cornual cyesis.

目讨论宫角妊娠临床点及治疗原则。

ATC waste liquid has such characteristics as high CODcr, high salinity and nonbiodegradable.

ATC废液具有高COD,高含盐量，以及难生物降解点。

All are treasured for their canine characteristics of loyalty, bravery, and uncomplaining service.

大家都铭记战犬们忠，勇敢和无私服务。

Unhealthy lifestyle often take on the characteristics of self-invention,sociality,diffusion and alterability.

不良生活方式具有自创、社会、播散和可改变。

Scenery here is omniform, colorful, possessing the characteristics of quietness, oddness, elegance and beauty.

景观千姿百态，色彩斑澜，颇具幽、奇、秀、美之色。

Objective To describe the distributional characteristics and development of dentists doing orth-odontic work in Liaoning.

目描述辽宁省11个城市口腔正畸人展状况和分布点。

The resistance to dimehypo and cartap did not decrease the biological characteristics in diamondback moth.

小菜蛾对杀虫双和杀螟丹抗并未付出明显生物学代价。

Objective To explore criminological characteristics of the arsonous psychotic and assessment of their criminal responsibility.

探讨精神病人纵火行为犯罪学征及刑事责任能力评定点。

Citrin washing's characteristics and mechanisation are discussed.

主要论述利用柠檬酸点和清洗机理。

The cut-off characteristics,bandwidth characteristis,and characteristic impedance of dominant mode of this pillowy waveguide are analyzed.

分析了枕形波导截止、带宽及主模阻抗。

Objective To understand family characteristic and psychogenesis of hysteric.

目了解癔症患者家庭征及其心理机制。

Parents transmit some of their characteristics to their children.

父母把他们某些遗传给子女。

Distribution of RVA profile characteristics in clonally propagated F2population(F2CP).

图4 F2无繁殖系(F2CP)中RVA征值分布 Fig.

What are the chemical reaction characteristics of tropane alkaloids?

氢溴酸东莨菪碱鉴别原理是什么？

The characteristics of filter between no precoat and precoat were compared.

介绍了江苏省内精密过滤器使用情况,对比了不预涂和预涂过滤器点。

Exquisite workmanship is the outstanding characteristic of these artistic handwork’s.

工艺精美是这些工艺品突出点。

Greed is a miser's preponderant characteristic.

贪婪是一个守财奴主要点。

Kinetic characteristics of valonia tannin biodegradation using natural microorganism groups were studied.

研究了微生物菌系对橡单宁生物降解能力。

Inattention or attention transitoriness was the prominent characteristic of all the students.

注意力不集中或短暂是所有学生突出点。

Moreover, the characteristics and the main applied fields of polyacetal resin were presented.

并介绍了聚甲醛树脂和主要应用领域。

Objective To discuss the clinical characteristics and treatment principle of cornual cyesis.

目的讨论宫角妊娠的临床特点及治疗原。

ATC waste liquid has such characteristics as high CODcr, high salinity and nonbiodegradable.

ATC具有高COD,高含盐量，以及难生物降解的特点。

All are treasured for their canine characteristics of loyalty, bravery, and uncomplaining service.

大家都铭记战犬们忠，勇敢和无私的服务。

Unhealthy lifestyle often take on the characteristics of self-invention,sociality,diffusion and alterability.

不良生活方式具有自创性、社会性、播散性和性。

Scenery here is omniform, colorful, possessing the characteristics of quietness, oddness, elegance and beauty.

景观千姿百态，色彩斑澜，颇具幽、奇、秀、美之特色。

Objective To describe the distributional characteristics and development of dentists doing orth-odontic work in Liaoning.

目的描述辽宁省11个城市口腔正畸人才的发展状况和分布特点。

The resistance to dimehypo and cartap did not decrease the biological characteristics in diamondback moth.

小菜蛾对杀虫双和杀螟丹的抗性并未付出明显的生物学代价。

Objective To explore criminological characteristics of the arsonous psychotic and assessment of their criminal responsibility.

探讨精神病人纵火行为的犯罪学特征及刑事责任能力评定的特点。

Citrin washing's characteristics and mechanisation are discussed.

主要论述利用柠檬酸的特点和清洗机理。

The cut-off characteristics,bandwidth characteristis,and characteristic impedance of dominant mode of this pillowy waveguide are analyzed.

分析了枕形波导的截止特性、带宽特性及主模的阻抗特性。

Objective To understand family characteristic and psychogenesis of hysteric.

目的了解癔症患者的家庭特征及其心理机制。

Parents transmit some of their characteristics to their children.

父母把他们的某些特性遗传给子女。

Distribution of RVA profile characteristics in clonally propagated F2population(F2CP).

图4 F2无性繁殖系(F2CP)中RVA特征值分布 Fig.

What are the chemical reaction characteristics of tropane alkaloids?

氢溴酸东莨菪碱的鉴别原理是什么？

The characteristics of filter between no precoat and precoat were compared.

介绍了江苏省内精密过滤器的使用情况,对比了不预涂和预涂过滤器的特点。

Exquisite workmanship is the outstanding characteristic of these artistic handwork’s.

工艺精美是这些工艺品的突出特点。

Greed is a miser's preponderant characteristic.

贪婪是一个守财奴的主要特点。

Kinetic characteristics of valonia tannin biodegradation using natural microorganism groups were studied.

研究了微生物菌系对橡单宁的生物降解能力。

Inattention or attention transitoriness was the prominent characteristic of all the students.

注意力不集中或短暂是所有学生的突出特点。

Moreover, the characteristics and the main applied fields of polyacetal resin were presented.

并介绍了聚甲醛树脂的特性和主要应用领域。

Objective To discuss the clinical characteristics and treatment principle of cornual cyesis.

目讨论宫角妊娠临床特点及治疗原则。

ATC waste liquid has such characteristics as high CODcr, high salinity and nonbiodegradable.

ATC废液具有高COD,高含盐量，以及难生物降解特点。

All are treasured for their canine characteristics of loyalty, bravery, and uncomplaining service.

大家战犬们忠，勇敢和无务。

Unhealthy lifestyle often take on the characteristics of self-invention,sociality,diffusion and alterability.

不良生活方式具有自创性、社会性、播散性和可改变性。

Scenery here is omniform, colorful, possessing the characteristics of quietness, oddness, elegance and beauty.

景观千姿百态，色彩斑澜，颇具幽、奇、秀、美之特色。

Objective To describe the distributional characteristics and development of dentists doing orth-odontic work in Liaoning.

目描述辽宁省11个城市口腔正畸人才发展状况和分布特点。

The resistance to dimehypo and cartap did not decrease the biological characteristics in diamondback moth.

小菜蛾对杀虫双和杀螟丹抗性并未付出明显生物学代价。

Objective To explore criminological characteristics of the arsonous psychotic and assessment of their criminal responsibility.

探讨精神病人纵火行为犯罪学特征及刑事责任能力评定特点。

Citrin washing's characteristics and mechanisation are discussed.

主要论述利用柠檬酸特点和清洗机理。

The cut-off characteristics,bandwidth characteristis,and characteristic impedance of dominant mode of this pillowy waveguide are analyzed.

分析了枕形波导截止特性、带宽特性及主模阻抗特性。

Objective To understand family characteristic and psychogenesis of hysteric.

目了解癔症患者家庭特征及其心理机制。

Parents transmit some of their characteristics to their children.

父母把他们某些特性遗传给子女。

Distribution of RVA profile characteristics in clonally propagated F2population(F2CP).

图4 F2无性繁殖系(F2CP)中RVA特征值分布 Fig.

What are the chemical reaction characteristics of tropane alkaloids?

氢溴酸东莨菪碱鉴别原理是什么？

The characteristics of filter between no precoat and precoat were compared.

介绍了江苏省内精密过滤器使用情况,对比了不预涂和预涂过滤器特点。

Exquisite workmanship is the outstanding characteristic of these artistic handwork’s.

工艺精美是这些工艺品突出特点。

Greed is a miser's preponderant characteristic.

贪婪是一个守财奴主要特点。

Kinetic characteristics of valonia tannin biodegradation using natural microorganism groups were studied.

研究了微生物菌系对橡单宁生物降解能力。

Inattention or attention transitoriness was the prominent characteristic of all the students.

注意力不集中或短暂是所有学生突出特点。

Moreover, the characteristics and the main applied fields of polyacetal resin were presented.

并介绍了聚甲醛树脂特性和主要应用领域。

Objective To discuss the clinical characteristics and treatment principle of cornual cyesis.

目的讨论宫角妊娠的临床特及治疗原则。

ATC waste liquid has such characteristics as high CODcr, high salinity and nonbiodegradable.

ATC废液具有高COD,高含盐量，以及难生物降解的特。

All are treasured for their canine characteristics of loyalty, bravery, and uncomplaining service.

大家都铭记战犬们忠，勇敢无私的服务。

Unhealthy lifestyle often take on the characteristics of self-invention,sociality,diffusion and alterability.

不良生活方式具有自创性、社会性、播散性可改变性。

Scenery here is omniform, colorful, possessing the characteristics of quietness, oddness, elegance and beauty.

景观千姿百态，色彩斑澜，颇具幽、奇、秀、美之特色。

Objective To describe the distributional characteristics and development of dentists doing orth-odontic work in Liaoning.

目的描述辽宁省11个城市口腔正畸人才的发展状况分布特。

The resistance to dimehypo and cartap did not decrease the biological characteristics in diamondback moth.

小菜蛾对杀虫双杀螟丹的抗性并未付出明显的生物学代价。

Objective To explore criminological characteristics of the arsonous psychotic and assessment of their criminal responsibility.

探讨精神病人纵火行为的犯罪学特征及刑事责任能力评定的特。

Citrin washing's characteristics and mechanisation are discussed.

主要论述利用柠檬酸的特洗机理。

The cut-off characteristics,bandwidth characteristis,and characteristic impedance of dominant mode of this pillowy waveguide are analyzed.

分析了枕形波导的截止特性、带宽特性及主模的阻抗特性。

Objective To understand family characteristic and psychogenesis of hysteric.

目的了解癔症患者的家庭特征及其心理机制。

Parents transmit some of their characteristics to their children.

父母把他们的某些特性遗传给子女。

Distribution of RVA profile characteristics in clonally propagated F2population(F2CP).

图4 F2无性繁殖系(F2CP)中RVA特征值分布 Fig.

What are the chemical reaction characteristics of tropane alkaloids?

氢溴酸东莨菪碱的鉴别原理是什么？

The characteristics of filter between no precoat and precoat were compared.

介绍了江苏省内精密过滤器的使用情况,对比了不预涂预涂过滤器的特。

Exquisite workmanship is the outstanding characteristic of these artistic handwork’s.

工艺精美是这些工艺品的突出特。

Greed is a miser's preponderant characteristic.

贪婪是一个守财奴的主要特。

Kinetic characteristics of valonia tannin biodegradation using natural microorganism groups were studied.

研究了微生物菌系对橡单宁的生物降解能力。

Inattention or attention transitoriness was the prominent characteristic of all the students.

注意力不集中或短暂是所有学生的突出特。

Moreover, the characteristics and the main applied fields of polyacetal resin were presented.

并介绍了聚甲醛树脂的特性主要应用领域。

Objective To discuss the clinical characteristics and treatment principle of cornual cyesis.

目的讨论宫角妊娠的临床特点及治疗原则。

ATC waste liquid has such characteristics as high CODcr, high salinity and nonbiodegradable.

ATC废液具有高COD,高含盐量，以及难降解的特点。

All are treasured for their canine characteristics of loyalty, bravery, and uncomplaining service.

大家都铭记战犬们忠，勇敢和无私的服务。

Unhealthy lifestyle often take on the characteristics of self-invention,sociality,diffusion and alterability.

不良活方式具有自创、社会、播散和可改变。

Scenery here is omniform, colorful, possessing the characteristics of quietness, oddness, elegance and beauty.

景观千姿百态，色彩斑澜，颇具幽、奇、秀、美之特色。

Objective To describe the distributional characteristics and development of dentists doing orth-odontic work in Liaoning.

目的描述辽宁省11个城市口腔正畸人才的发展状况和分布特点。

The resistance to dimehypo and cartap did not decrease the biological characteristics in diamondback moth.

小菜蛾对杀虫双和杀螟丹的抗并未付出明显的价。

Objective To explore criminological characteristics of the arsonous psychotic and assessment of their criminal responsibility.

探讨精神病人纵火行为的犯罪特征及刑事责任能力评定的特点。

Citrin washing's characteristics and mechanisation are discussed.

主要论述利用柠檬酸的特点和清洗机理。

The cut-off characteristics,bandwidth characteristis,and characteristic impedance of dominant mode of this pillowy waveguide are analyzed.

分析了枕形波导的截止特、带宽特及主模的阻抗特。

Objective To understand family characteristic and psychogenesis of hysteric.

目的了解癔症患者的家庭特征及其心理机制。

Parents transmit some of their characteristics to their children.

父母把他们的某些特遗传给子女。

Distribution of RVA profile characteristics in clonally propagated F2population(F2CP).

图4 F2无繁殖系(F2CP)中RVA特征值分布 Fig.

What are the chemical reaction characteristics of tropane alkaloids?

氢溴酸东莨菪碱的鉴别原理是什么？

The characteristics of filter between no precoat and precoat were compared.

介绍了江苏省内精密过滤器的使用情况,对比了不预涂和预涂过滤器的特点。

Exquisite workmanship is the outstanding characteristic of these artistic handwork’s.

工艺精美是这些工艺品的突出特点。

Greed is a miser's preponderant characteristic.

贪婪是一个守财奴的主要特点。

Kinetic characteristics of valonia tannin biodegradation using natural microorganism groups were studied.

研究了微菌系对橡单宁的降解能力。

Inattention or attention transitoriness was the prominent characteristic of all the students.

注意力不集中或短暂是所有的突出特点。

Moreover, the characteristics and the main applied fields of polyacetal resin were presented.

并介绍了聚甲醛树脂的特和主要应用领域。

Objective To discuss the clinical characteristics and treatment principle of cornual cyesis.

目的讨论宫角妊娠的临床及治疗原则。

ATC waste liquid has such characteristics as high CODcr, high salinity and nonbiodegradable.

ATC废液具有高COD,高含盐量，以及难物降解的。

All are treasured for their canine characteristics of loyalty, bravery, and uncomplaining service.

家都铭记战犬们忠，勇敢和无私的服务。

Unhealthy lifestyle often take on the characteristics of self-invention,sociality,diffusion and alterability.

活方式具有自创性、社会性、播散性和可改变性。

Scenery here is omniform, colorful, possessing the characteristics of quietness, oddness, elegance and beauty.

景观千姿百态，色彩斑澜，颇具幽、奇、秀、美之色。

Objective To describe the distributional characteristics and development of dentists doing orth-odontic work in Liaoning.

目的描述辽宁省11个城市口腔正畸人才的发展状况和分布。

The resistance to dimehypo and cartap did not decrease the biological characteristics in diamondback moth.

小菜蛾对杀虫双和杀螟丹的抗性并未付出明显的物学代价。

Objective To explore criminological characteristics of the arsonous psychotic and assessment of their criminal responsibility.

探讨精神病人纵火行为的犯罪学征及刑事责任能力评定的。

Citrin washing's characteristics and mechanisation are discussed.

主要论述利用柠檬酸的和清洗机理。

The cut-off characteristics,bandwidth characteristis,and characteristic impedance of dominant mode of this pillowy waveguide are analyzed.

分析了枕形波导的截止性、带宽性及主模的阻抗性。

Objective To understand family characteristic and psychogenesis of hysteric.

目的了解癔症患者的家庭征及其心理机制。

Parents transmit some of their characteristics to their children.

父母把他们的某些性遗传给子女。

Distribution of RVA profile characteristics in clonally propagated F2population(F2CP).

图4 F2无性繁殖系(F2CP)中RVA征值分布 Fig.

What are the chemical reaction characteristics of tropane alkaloids?

氢溴酸东莨菪碱的鉴别原理是什么？

The characteristics of filter between no precoat and precoat were compared.

介绍了江苏省内精密过滤器的使用情况,对比了预涂和预涂过滤器的。

Exquisite workmanship is the outstanding characteristic of these artistic handwork’s.

工艺精美是这些工艺品的突出。

Greed is a miser's preponderant characteristic.

贪婪是一个守财奴的主要。

Kinetic characteristics of valonia tannin biodegradation using natural microorganism groups were studied.

研究了微物菌系对橡单宁的物降解能力。

Inattention or attention transitoriness was the prominent characteristic of all the students.

注意力集中或短暂是所有学的突出。

Moreover, the characteristics and the main applied fields of polyacetal resin were presented.

并介绍了聚甲醛树脂的性和主要应用领域。

Objective To discuss the clinical characteristics and treatment principle of cornual cyesis.

目的讨论宫角妊娠的临床点及治疗原则。

ATC waste liquid has such characteristics as high CODcr, high salinity and nonbiodegradable.

ATC废液具有高COD,高含盐量，以及难降解的点。

All are treasured for their canine characteristics of loyalty, bravery, and uncomplaining service.

大家都铭记战犬们忠，勇敢和无私的服务。

Unhealthy lifestyle often take on the characteristics of self-invention,sociality,diffusion and alterability.

不良活方式具有自创性、社会性、播散性和可改变性。

Scenery here is omniform, colorful, possessing the characteristics of quietness, oddness, elegance and beauty.

景观千姿百态，色彩斑澜，颇具幽、奇、秀、美之色。

Objective To describe the distributional characteristics and development of dentists doing orth-odontic work in Liaoning.

目的描述辽宁省11个城市口腔正畸人才的发展状况和分布点。

The resistance to dimehypo and cartap did not decrease the biological characteristics in diamondback moth.

小菜蛾对杀虫双和杀螟丹的抗性并未付出明显的代价。

Objective To explore criminological characteristics of the arsonous psychotic and assessment of their criminal responsibility.

探讨精神病人纵火行为的犯罪征及刑事责任能力评定的点。

Citrin washing's characteristics and mechanisation are discussed.

主要论述利用柠檬酸的点和清洗机理。

The cut-off characteristics,bandwidth characteristis,and characteristic impedance of dominant mode of this pillowy waveguide are analyzed.

分析了枕形波导的截止性、带宽性及主模的阻抗性。

Objective To understand family characteristic and psychogenesis of hysteric.

目的了解癔症患者的家庭征及其心理机制。

Parents transmit some of their characteristics to their children.

父母把他们的某些性遗传给子女。

Distribution of RVA profile characteristics in clonally propagated F2population(F2CP).

图4 F2无性繁殖系(F2CP)中RVA征值分布 Fig.

What are the chemical reaction characteristics of tropane alkaloids?

氢溴酸东莨菪碱的鉴别原理是什么？

The characteristics of filter between no precoat and precoat were compared.

介绍了江苏省内精密过滤器的使用情况,对比了不预涂和预涂过滤器的点。

Exquisite workmanship is the outstanding characteristic of these artistic handwork’s.

工艺精美是这些工艺品的突出点。

Greed is a miser's preponderant characteristic.

贪婪是一个守财奴的主要点。

Kinetic characteristics of valonia tannin biodegradation using natural microorganism groups were studied.

研究了微菌系对橡单宁的降解能力。

Inattention or attention transitoriness was the prominent characteristic of all the students.

注意力不集中或短暂是所有的突出点。

Moreover, the characteristics and the main applied fields of polyacetal resin were presented.

并介绍了聚甲醛树脂的性和主要应用领域。

Objective To discuss the clinical characteristics and treatment principle of cornual cyesis.

目的讨宫角妊娠的临床点及治疗原则。

ATC waste liquid has such characteristics as high CODcr, high salinity and nonbiodegradable.

ATC废液具有高COD,高含盐量，以及难生降解的点。

All are treasured for their canine characteristics of loyalty, bravery, and uncomplaining service.

大家都铭记战犬们忠，勇敢和无私的服务。

Unhealthy lifestyle often take on the characteristics of self-invention,sociality,diffusion and alterability.

不良生活方式具有自创性、社会性、播散性和可改变性。

Scenery here is omniform, colorful, possessing the characteristics of quietness, oddness, elegance and beauty.

景观千姿百态，色彩斑澜，颇具幽、奇、秀、美之色。

Objective To describe the distributional characteristics and development of dentists doing orth-odontic work in Liaoning.

目的描述辽宁省11个城市口腔正畸人才的发展状况和分布点。

The resistance to dimehypo and cartap did not decrease the biological characteristics in diamondback moth.

小菜蛾对杀虫双和杀螟丹的抗性并未付出明显的生代价。

Objective To explore criminological characteristics of the arsonous psychotic and assessment of their criminal responsibility.

探讨精神病人纵火行为的犯罪征及刑事责任能力评定的点。

Citrin washing's characteristics and mechanisation are discussed.

述利用柠檬酸的点和清洗机理。

The cut-off characteristics,bandwidth characteristis,and characteristic impedance of dominant mode of this pillowy waveguide are analyzed.

分析了枕形波导的截止性、带宽性及模的阻抗性。

Objective To understand family characteristic and psychogenesis of hysteric.

目的了解癔症患者的家庭征及其心理机制。

Parents transmit some of their characteristics to their children.

父母把他们的某些性遗传给子女。

Distribution of RVA profile characteristics in clonally propagated F2population(F2CP).

图4 F2无性繁殖系(F2CP)中RVA征值分布 Fig.

What are the chemical reaction characteristics of tropane alkaloids?

氢溴酸东莨菪碱的鉴别原理是什么？

The characteristics of filter between no precoat and precoat were compared.

介绍了江苏省内精密过滤器的使用情况,对比了不预涂和预涂过滤器的点。

Exquisite workmanship is the outstanding characteristic of these artistic handwork’s.

工艺精美是这些工艺品的突出点。

Greed is a miser's preponderant characteristic.

贪婪是一个守财奴的点。

Kinetic characteristics of valonia tannin biodegradation using natural microorganism groups were studied.

研究了微生菌系对橡单宁的生降解能力。

Inattention or attention transitoriness was the prominent characteristic of all the students.

注意力不集中或短暂是所有生的突出点。

Moreover, the characteristics and the main applied fields of polyacetal resin were presented.

并介绍了聚甲醛树脂的性和应用领域。

Objective To discuss the clinical characteristics and treatment principle of cornual cyesis.

目的讨论宫角妊娠的临床及治疗原则。

ATC waste liquid has such characteristics as high CODcr, high salinity and nonbiodegradable.

ATC废液具有高COD,高含盐量，以及难生物降解的。

All are treasured for their canine characteristics of loyalty, bravery, and uncomplaining service.

大家都铭记战犬们忠，勇敢和无私的服务。

Unhealthy lifestyle often take on the characteristics of self-invention,sociality,diffusion and alterability.

不良生活方式具有自创性、社会性、播散性和可改变性。

Scenery here is omniform, colorful, possessing the characteristics of quietness, oddness, elegance and beauty.

景观千姿百态，色彩斑澜，颇具幽、奇、秀、美之色。

Objective To describe the distributional characteristics and development of dentists doing orth-odontic work in Liaoning.

目的描述辽宁省11城市口腔正畸才的发展状况和分。

The resistance to dimehypo and cartap did not decrease the biological characteristics in diamondback moth.

小菜蛾对杀虫双和杀螟丹的抗性并未付出明显的生物学代价。

Objective To explore criminological characteristics of the arsonous psychotic and assessment of their criminal responsibility.

探讨精神病纵火行为的犯罪学征及刑事责任能力评定的。

Citrin washing's characteristics and mechanisation are discussed.

主要论述利用柠檬酸的和清洗机理。

The cut-off characteristics,bandwidth characteristis,and characteristic impedance of dominant mode of this pillowy waveguide are analyzed.

分析了枕形波导的截止性、带宽性及主模的阻抗性。

Objective To understand family characteristic and psychogenesis of hysteric.

目的了解癔症患者的家庭征及其心理机制。

Parents transmit some of their characteristics to their children.

父母把他们的某些性遗传给子女。

Distribution of RVA profile characteristics in clonally propagated F2population(F2CP).

图4 F2无性繁殖系(F2CP)中RVA征值分 Fig.

What are the chemical reaction characteristics of tropane alkaloids?

氢溴酸东莨菪碱的鉴别原理是什么？

The characteristics of filter between no precoat and precoat were compared.

介绍了江苏省内精密过滤器的使用情况,对比了不预涂和预涂过滤器的。

Exquisite workmanship is the outstanding characteristic of these artistic handwork’s.

工艺精美是这些工艺品的突出。

Greed is a miser's preponderant characteristic.

贪婪是一守财奴的主要。

Kinetic characteristics of valonia tannin biodegradation using natural microorganism groups were studied.

研究了微生物菌系对橡单宁的生物降解能力。

Inattention or attention transitoriness was the prominent characteristic of all the students.

注意力不集中或短暂是所有学生的突出。

Moreover, the characteristics and the main applied fields of polyacetal resin were presented.

并介绍了聚甲醛树脂的性和主要应用领域。