That's because very large animals have a slow rate of reproduction, so all you have to do is remove a few young females from the herd, and you can, fairly quickly, significantly reduce the population.
那是因为大型生物的繁殖速度十分缓慢,所以只要除去象群中的几头年轻的母象,它们的数量就会大幅的下降。
The docutils package consists of quite a few subpackages, in fairly complicated relation to each other.
docutils软件包包含很多子软件包,各子软件包之间的关系相当复杂。
On the other hand, because no database server is involved, it's a fairly good choice for a program with very few simultaneous users.
另一方面,因为不涉及数据库服务器,它对于几乎没有并发用户的程序是相当好的选择。
It has a fairly large number of characters, although only a relatively few number of them speak in the book.
有很多角色,但仅其中相对少数,在书中发言。
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