Some nations use English as their official language, performing the function of administration; in others it is used as an international language for business, commerce and industry.
一些国家用英语作为官方语言,并用它履行行政职能;而在其他国家,它被用作商业、贸易和工业的国际通用语言。
An engine has many parts, each performing a different function.
一部发动机有很多部件,各自行使不同的功能。
I provided my password, since I was performing an administrative function, and the software was automatically downloaded and installed.
我提供了我的密码,因为我执行的是一个管理功能,软件自动下载和安装。
It's harder to find, they're more limited numbers, and in general, more difficult until eventually down this pathway you have fully differentiated cells, cells that are fully mature and performing the function of the mature organ.
不过找起来更困难,因为它们数量稀少而且通常很难定位,在分化的终末阶段,你可以看到完全分化的细胞,这些细胞完全成熟,在成熟的器官中发挥功能
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