在其他语言中，当复数总是阳性或阴性时，就没有这种选择了。
That option is unavailable when the plural is always masculine or feminine in other languages.
关于其语义特征，一些语言学家认为“-men”在人称代词后是复数标记。
Concerning the semantic formula of -men, some linguists posit that -men is a plural marker in pronouns.
支持复数是机械和电子工程师，以及大部分科学工作者所使用的任何编程语言的基础。
Support for complex numbers is essential for any programming language used by mechanical and electrical engineers, as well as most scientific disciplines.
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