查询词典 sperm

And some will kill the poor viability of sperm to achieve the purpose of eugenics.

并且，会杀死一部分活力差的精子，达到优生的目的。

F. The postcoital test is used to assess sperm cervicalmucus interaction after intercourse.

性交后试验被用于评价性交后精子宫颈黏液的相合性。

There is increasing evidence that sperm DNA anomalies may lead to infertility,abortion,stillbirth,fathead and chromosomal diseases.

传统的精液检查往往不能找到精子DNA完整性异常患者的不育原因，因此对这部分患者进行精子DNA完整性检查具有更重要的意义。

Objective To set up a feasible technique of internal quality control on the sperm density.

目的 建立一种可行的精液密度测定的质量控制方法。

It looks like the world at war, but it's actually five days after the fertilisation of an egg, with some remaining sperm cells still sticking around.

这看起来像个战事不断的世界，但事实上它是一个受精5天后的卵子，一些精细胞仍粘贴在它表面。

The first involves choosing the type of sperm that is used to fertilise the woman's egg.

一种是选择特定的精子进入卵子。

Here's a close-up of a number of sperm trying to fertilise an egg.

这张图片上显示的是大量精子正在争先恐后地给卵子受精。

Here'sa close-up of a number of sperm trying to fertilise an egg.

这张图片近拍了大量精子尝试给一个卵子受精的场景。

Sometimes, two sperm can fertilise a single egg, but this is only thought to happen in about 1% of human conceptions.

有时，2个精子会与一个卵子结合，但是这种情况的发生被认为仅占人类的1%。

If a man does not allow his sperm to fertilise an egg at least once during his lifetime he has no chance of passing on his genes to the next generation, and the genetic line, hundreds of millions of years long, that led up to his appearance on earth is terminated.

如果一个男人不容许他的精子受精的鸡蛋至少有一次在他的一生中，他没有机会通过他的基因给下一代，和遗传路线，数以亿计的年久，导致了他的外观在地球上是终止。

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