The nose test runner implements a middle way between the other two tools: it descends into every Python package, but is only willing to examine directories, if they have the word test in their name.
nose 测试运行器采用的实现方式介于另两种工具之间：它向下递归地搜索每个 Python 包，但是只检查目录名中包含单词 test 的目录。
That is why there is frankly developers: Once the marketing tools too often, the sales may be a nose-dive.
这就是为什么坦率开发商：一旦市场营销工具，往往在销售可能是一个垂直降落。
Turning tools. Turning tools can be either finishing or rough turning tools. Rough turning tools have small nose radii and are employed when deep cuts are made.
车削刀具可以是精车刀具 或粗车刀具。粗车刀具刀尖半径较小，用 于深切削。
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