如生活方式、自然力量、减少基因变异的行为；还有一些促进这个进程的行为。

Some lifestyles, and some forces of nature, act to reduce genetic variation; others act to promote it.

youdao

如生活方式、自然力量、减少基因变异的行为；还有一些促进这个进程的行为。

Some lifestyles, and some forces of nature, act to reduce genetic variation; others act to promote it.

youdao