题目内容
A printed circuit board is used to electrically support and mechanically connect electronic components.
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An electronic product will be successful even without PCB design and layout.
Autorouting is quicker than manual routing, but the results were often not fit for purpose the same as manual routing results.
The designer has the benefit of being able to run a Design Rule Check to verify the final PCB.
以下动画类型中，不属于基本动画类型的是（ ）。
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