Every flower, even the fairest, has its shadow beneath it as it swings in the sunlight.

每一朵花，就是最美丽的，在日光下也都有它的黑影的。

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Every light has its shadow.

有光就有影。

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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。

youdao

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。

youdao