以上三条有机循环、灵活选用。

The above three rules should be flexibly adopted.

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结合教学内容，灵活选用多种辅助教学手段。

Select and use the various auxiliary teaching means combining with content of courses nimbly.

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根据干扰产生机理灵活选用解决措施以及合理进行屏蔽设计。

It includes optimizing power arrangement, taking proper measures according to interference mechanism and making reasonable shielding design.

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