操作系统还包括其它的重要程序，但那些并不是使电脑运行的最关键程序。

The operating system also contains other programs that are important, but not essential to making the computer run.

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随着淡水资源紧缺状况日益加重，合理利用和保护地下水资源逐渐得到社会的广泛关注，水质模拟与预测是评价和保护地下水工作中不可或缺的重要程序。

With the freshwater becoming less and less, how to make use of and to protect the groundwater is calling our attention, for which simulation of water fluid and water quality is essential.

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这个程序很重要。

This routine is very important.

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It gives you a lot of expressive convenience, you can write the programs much more cleanly, but most importantly, it's fast.

你可以把一些程序写的更清楚，最重要的是，它的效率非常高。

麻省理工公开课 - 计算机科学及编程导论课程节选

And a large part of being a good programmer, or learning to be a good programmer, is learning how to debug. And it's one of these things where it's harder.

没人能凭本能做好它，如果你相当一名优秀的程序员，或者想通过学习成为一名优秀的程序员,很重要的一部分就是学习怎么去调试。

麻省理工公开课 - 计算机科学及编程导论课程节选

And so in that sense, it's incredibly important.

这么说来，建立一个，统一的做事程序是极重要的。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选