两性

Shrubs, trees, rarely scandent, evergreen, usually dioecious or sometimes monoclinous or andromonoecious.

灌木，乔木，很少攀缘，常绿，通常雌雄异株或有时雌雄蕊同或雄两性同株。

The flower is bisexual, hypogynous, and with protandrous, tubular androecium whose anther are fused in a broad ring.

朵为两性，子房上位，雄蕊先熟，呈筒状环绕之雄蕊筒，靠近顶端具环带状药。

Then five petal primordia arised simultaneously in a whorl arrangement, followed by eight stamen primodia arised and last by pistil primodium.

雄具有发育不完全之雌蕊；两性之雄蕊虽然正常发育，但丝不伸长且药不开裂。

The amino-acid imidazoline amphoteric surfactant was prepared from dichloroethane and vegetable-oil fatty acid as raw materials by aminolysis, esterffication and hydroxymethylation.

以二氯乙烷与植物油脂肪酸等为原料,通过氨解、酯化、羟甲基化缩合反应制得氨基酸咪唑啉型两性表面活性剂。

Various substance has very small autoprotolysis constants which,however,has more large difference,so that the amphoteric solvents are found more wide application in titrimetric analysis.

不同物质具有非常小,然而又是差异较大自递常数。因此,这种两性溶剂在滴定分析中找到了更为广阔应用领域。

The happiniess of mankind will be realized when men and women coordinate and advance equally,for each is the complement and the helpmeet of the other.

幸福只有在男性和女性和谐共处，并肩前进时才能实现，因为男女两性互为补充，互为良伴。”

The imago period is from the early April to end of May.The reproduction belongs to amphigenesis, but it may happen female parthenogenesis.A female average egg number is 3975.

成虫期4月上旬至5月下旬，行两性生殖，存在孤雌生殖，雌成虫平均产卵量为3975粒。