精子的

Usually, each sperm and egg cell contains genes of both races.

一般每个精子和卵子细胞都包含黑白两个种族的基因。

Fertilization: Only one sperm cell penetrates the outer layer of the egg cell.

受精受精：只有一个精子穿透卵子的外层。

His work opened the way to intracytoplasmic sperm injection,in which a single sperm is injected directly into the egg cell.

他开创了细胞质内注射的先河，即把一个单精子直接植入一卵细胞内。

Objective: To investigate the effects of emu eggshell produced in China on sexual ability in the stressed mice and the sperm activity immature mice.

目的：观察国产鸸鹋蛋壳粉对应激小鼠性功能及幼龄小鼠精子活性的影响。

Emu eggshell produced in China could enhance sexual function in stressed male mice and promote the sperm activity in male mice to a certain extent.

国产鸸鹋蛋壳粉具有增强雄性小鼠性功能，提高小鼠精子活性的作用。

It is also possible that some sperm is released from the penis well in advance of the actual ejaculation.

在实际射精之前有一些精子游离出阴茎也是有可能的。

In view of the exciting, really in just immediately after ejaculation sperm is not washed out The reality.

在性兴奋期，真正地在刚刚射精后立即冲洗掉精子是不现实的。

Before entering the ejaculatory ducts, the sperm cells have only a limited capacity of moving by themselves.

精子在进入射精管之前，仅有有限的运动能力。

These data implicate a important role for Pem during embryogenesis and in sperm development.

这些资料表明Pem可能在胚胎发育和精子形成过程中充当着重要的角色。

The change of epithelium in epididymis was observed by histological microscopy.

观察附睾上皮的组织学改变和附睾精子参数变化。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。