雄性的

Methods Three groups of male Kunming mice were exposed to different concentrations (0, 1.34 and 4.02 mg/m^3) of gaseity formaldehyde, 4 h/day, for 7 consecutive days, and their behavior when they learned to perform a water labyrinth task and hippocampal neurotransmitters levels were tested.

选择雄性昆明小鼠30只，随机分为对照组、1.34mg/m^3染毒组、4.02mg/m^3染毒组，每组10只，分别置于3个216L的透明玻璃柜中染毒，对照组通以室外洁净空气，1.34、4.02mg/m^3甲醛染毒组分别通以1.34、4.02mg/m^3的甲醛气体，每天染毒4h，共7d，测定染毒后小鼠在通道式水迷宫中学习成绩及海马神经递质含量。

A male horse is a gelding if it was castrated and a stallion if it was not.

雄性马是指还被去势的小骟马或者还未被阉割的公马。

The spicules in the gonad as well as in the digestive gland were also morphologically and quantitatively described.

typicus 的雌性略大於雄性，以及生殖腺和消化腺内存有骨针，在此亦被证实，并且对其生殖腺和骨针，有定性和定量的描述。

They are goodnatured, cooperative creatures, and they share their food tardily. Above all, like their female human counterparts, they tend to pay much closer attention to the value of "goods and services"than males.

它们看起来很可爱，性格温顺乐于合作，愿意分享食物，最重要的是，就像女人们一样，它们往往比雄性更注意商品和服务的价值。

Compared with the control group,after ig125 mg/(kg·d sasanqua saponin sterilant for 4 weeks,(92.1%) alive sperm and(52.6%) sperm motility on male mice could be obviously reduced,and(64.0%) gravidity rate and(67.4%) alive embryo on female mice could be significantly decreased.

与生理盐水对照组比较，125 mg/油茶皂素不育剂灌胃给药4周后，可以明显降低雄性小鼠的活精子数(92.1%)和精子活力(52.6%)，可以显著减少雌性小鼠的妊娠率(64.0%)和活胎数(67.4%)。

Compared with the control group, after ig 125mg/ sasanqua saponin sterilant for 4 weeks, 92.1% alive sperm and 52.6% sperm motility on male mice could be obviously reduced, and 64.0% gravidity rate and 67.4% alive embryo on female mice could be significantly decreased.

与生理盐水对照组比较，125mg/油茶皂素不育剂灌胃给药4周后，可以明显降低雄性小鼠的活精子数(92.1%)和精子活力(52.6%)，可以显著减少雌性小鼠的妊娠率(64.0%)和活胎数(67.4%)。

Sequential hermaphrodite Having male and female reproductive organs which mature at different times.

持续性雌雄同体具有不同时期成熟的雄性与雌性生殖的器官。

The study of plant male sterility plays an important role on utilization of heterosis.

雄性不育的研究对于杂种优势的利用具有重要意义。

It was identified that male sterility of Tagetes erecta was Nucleo-Cytoplasmic interaction type with the characteristics of environment insensitiveness and stable inheritance, and was qualitatively controlled by a recessive gene in nucleus.

对雄性不育遗传规律进行了研究，对不同杂交组合亲本和子代的性状进行了分析，找到了一个重要的育性形态标记，即无花瓣型不育类型。

This is the stage of intersex development.

黄鳝雄性个体是由雌性个体通过性变化发育而来，这种性别的变化是单方向的。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。