I'm going to release this object, and I hope I will be able to do it at zero speed so that when it comes back it may touch my chin, but it may not crush my chin.

我释放这个物体，并希望我能用0初速，释放，这样，当它摆回来，会碰到我下巴，但是它也许不会碰到。

youdao

Begin the game of "zero waste emissions" through the touch screen.

通过触摸屏进行“零垃圾排放”的游戏。

youdao

Using electron switch by BTA, BTA at touch off cross zero, thus deferent electron sine wave is intact.

用双向晶闸管作为电子开关，双向晶闸管过零触发，因而输出的是完整的正弦波。

youdao

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