精子的

In the present review, we focus on some of the recent advances and some key developmental events revealed in the fertilization process, including the role of the egg apparatus in guiding pollen tube orientation, sperm cell movement to their targeting cells, interaction between gametes, egg cell activation, and onset of embryogenesis and endosperm development.

本文着重讨论受精作用的若干重要发育事件，包括受精前卵器细胞对花粉管向胚珠定向生长的近距离引导信号，精子的靶向运动，精、卵细胞相互作用和配子融合后卵细胞的激活与中央细胞发育的启动等。

The researchers found that after the men stopped their exposure to wet heat, half had "a mean increase in total motile sperm counts of 491 percent after three to six months."

令人意外的是这种不孕迹象回復的速度，研究员发现当这些男人停止洗热水，他们之中的一半在三到六个月后有活力精子的总数平均增加到491%。

Of, relating to, or designating the sex that has organs to produce spermatozoa for fertilizing ova.

雄的，公的：属于、表明是或与某种性别有关的，此性别具有能产生使成熟卵子受精的精子的器官

Blood-Testis Barrier is the harrier between capillary vessel and seminiferous tubule which is important to produce sperm and maintain male procreation function.

血睾屏障是睾丸内毛细血管与精小管之间存在的屏障结构。血睾屏障对精子的正常发生及雄性生殖功能的维持具有重要的作用。

In mammals, testosterone synthesized by testis interstitial tissue play an important role in the physiological procedures such as malization of embryo development, production of sperm, male sexual behavior and male sex gland development.

在哺乳动物中，睾丸间质组织合成分泌的睾酮在胚胎发育的雄性化、精子的生成、雄性性行为以及雄性性腺的发育等生理过程中起着重要的作用。

The process inoles creating an animal not from egg and sperm but by placing the nucleus of a cell inside an egg that's had its nucleus remoed.

一个生命体本来是从卵子和精子的结合开始的，但是克隆技术是将一个细胞的细胞核放置到一个去细胞核的卵子中。

The relationships between male size and spermatophore volume also increased with increasing male size, and the sperm quantity packed in a spermatophore increased with increasing spermatophore volume.

雄蟹的规格和精荚的体积的关系式随着规格的增大，精荚体积增大，精荚中精子的数目也随着增多。

Vitamin A supplements influented the growth development of reproductive organs, the formation of spermatozoon, and the semen quality.

结论］种公猪维生素A的饲喂量能影响其生殖器官的生长发育、精子的生成，从而影响精液的品质。

The diluent contain magnesium chloride, potassium citrate, sodium glutamate, dipotassium hydrogen phosphate, monopotassium phosphate and fructose, semen vitality is hightest after frozen.The average value is 0.52,highter than other 5 diluent significantly (P﹤0.01).So chose this diluent as semen cryopreservation diluent on chicken. Definite cryoprotectant, equilibrium time and thaw temperature:On the base of test one,research freeze sheltering effect about glycerin, DMSO ,DMA and DMF, each with 4 consistency.The result showed that 10%DMSO sheltering effect is the best, the next is 4%DMA,semen vitality are 0.58 and 0.55 after frozen.

冷冻保护剂、平衡时间和解冻温度的确定在试验一的基础上，研究甘油、二甲基亚砜、二甲基乙酰胺、二甲基甲酰胺4种冷冻保护剂在4种浓度下对鸡精子的冷冻保护作用，结果表明，10%DMSO保护效果最好，其次为4%浓度的DMA，精液冻后活力分别为0.58和0.55，两者之间差异不显著(P﹥0.05)。

The results showed that the electrophoretogram patterns of isozymes, serum and muscle protein of Bumper crucian carp were the same as those of its female parent and significantly different from its male parent.

结果发现：异源子代的血清、肌肉蛋白和同工酶的电泳图谱与母本彭泽鲫相同而与父本海鲤显著不同，推测异源精子的作用可能是在DNA水平上对后代产生影响，这种影响没有表现在成体同工酶的表达上。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐