差异性

Seropositivity rates for non-oncogenic or oncogenic HPV types did not differ between cases and controls.

病例组和对照组非致瘤型和致瘤型HPV的阳性率没有异性。

Studies were made on the vegetative propagation coefficient and cormel's biological characters using eighth-excision in different development phase of Lycoris radiate.

摘要在红花石蒜不同生长发育期进行八分法切割繁殖，性繁殖系数和子球生物学性状异性。

Objective To study the relationship between the bacterial spectrum difference of gallbladder mucosa and choledochus bile and clinical prognosis of gallstone pancreatitis.

摘要目的探讨囊黏膜与汁的菌谱异性与源性胰腺炎临床预后的关系。

Based on the experimental results, the diversities of the velours thermal conduction and ventilating in different directions and the mechanism which influence on its diversity are discussed.

通过实验分析了起绒织物的透气性与传热性在不同方向上的异性及影响其异性的机理。