Abstract: The electrical engineering and automation are reaching all walks of life to a single switch design, large space flight research, has its shadow.

摘要：电气工程及其自动化的触角伸向各行各业，小到一个开关的设计，大到宇航飞机的研究，都有它的身影。

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To birds native to the country it will seem harmful, for through their dread of its shadow they will lose their power of free flight.

对于本国的鸟，它会视之为有害，因为通过它们对它的影子的恐惧，它们会失去了自由飞行的力量。

youdao

To birds native to the country it will seem harmful, for through their dread of its shadow they will lose their power of free flight.

对于本国的鸟，它会视之为有害，因为通过它们对它的影子的恐惧，它们会失去了自由飞行的力量。

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