C was the first programming language that made portability a reality for system-level code.

C语言是第一个使得系统级代码移植成为可能的编程语言。

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Speakers to develop C language source code library, using C language speakers research.

扬声器开发C语言源程序库 ，用C语言进行扬声器的研究。

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Speakers to develop C language source code library, using C language speakers research.

扬声器开发C语言源程序库 ，用C语言进行扬声器的研究。

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