A big benefit is that parallelization is happening behind the scenes, and you need not explicitly code this in your programs.

这样做的一大优点是并行处理都是在幕后进行的，您并不需要在程序中显式地进行编码。

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Some of this parallelization of development was made possible through the use of source code management tools because of the ability to keep parallel lines of development synchronized.

由于使用源代码管理工具可以保持开发的同步并行进行，这样就可能实现开发的部分并行化。

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