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。
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。
A sculptor USES traditional tools to carve David's nose out of marble taken from the same mountains as used for the original statue of David.
一位雕刻家利用传统工具，把一块和戴维像所用材料同出一山的大理石雕刻成戴维的鼻。
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