And it would use a 'bottom-up' approach, embedded in good practice and professional experience, rather than resorting to 'top-down' measures.

它还将使用一种“自下而上”的方法，这种方法基于良好的习惯和专业经验，而不是采取“自上而下”的措施。

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These devices "nc and maintenance" of professional practice play an important role in teaching, good effect.

这些设备在“数控加工与维修”专业的实践教学中发挥重要作用，效果很好。

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I have a good command of professional knowledge, and I am also capable in practice through study and experiment.

我的专业知识精通，而且我还能够在实践中通过学习和实验。

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But as matter of good professional practice, doctors should not routinely ask.

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