First have a duplicate key cut.

你先去配把钥匙。

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The key cut signal determines the shape of the key effect.

键切割信号决定键效果的形状。

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In key effects, the key cut signal is used to specify where to cut a hole in the background that will be filled with the key fill video.

在键效果中，键切割信号被用来指定将背景图像中哪里抠出一个空洞并被键填充信号填充。

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Mr.Obama is proposing reforms to the U.S.health care system that would cut the costs of key programs by an estimated $313 billion.

VOA: standard.2009.06.13

The European Central Bank cut key interest rates to an all-time low of 0.50% on Thursday.

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The collapse of the Soviet Union deprived Russia of key ports and cut the size of its fleet.

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Each laser-cut key is outlined in LED lights so users can see what they're doing, even in the dark.

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