It turned out to be an excellent choice. Rake was a good start, but not what we'd hope for.
Rake被证明是个非常棒的选择，它是个好的开始，但这并不是我们原本所期望的。
When you extend and change your application according to the conventions, Rails helps you out by generating automated tests for you that you run with the rake utility.
当您根据惯例扩展并变更应用程序时，Rails通过为您生成您将用rake功能运行的自动的测试来帮助您。
A study is made on the working Angle in scraping process, practical Calculations are taken up to the Angle of working edge, rake Angle and back Angle. Some patterns of such change are found out.
本文对刮削过程中工作角度问题进行了探讨，并对工作刃倾角、工作前角和工作后角进行了具体计算，得到了一些变化规律。
A study is made on the working Angle in scraping process, practical Calculations are taken up to the Angle of working edge, rake Angle and back Angle. Some patterns of such change are found out.
本文对刮削过程中工作角度问题进行了探讨，并对工作刃倾角、工作前角和工作后角进行了具体计算，得到了一些变化规律。
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