This is the night when you drop your mask and reveal your true self.

是时候丢弃你陈旧的人生面具了，展现真正的自我。

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This paper analyses the blocking voltage, forward voltage drop, photoresist mask design and gate-triggering and dynamic characteristics of high-power thyristors.

本文对大功率可控硅的阻断电压问题、正向压降问题、光刻掩模板的设计问题、控制极特性问题以及动特性问题进行了分析。

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Your oxygen mask is in the service compartment over your head and it will automatically drop while there is decompression.

您的氧气面罩储藏在您头顶上方，在客舱失压时，会自动落下。

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You need to be seen at the top of your game all the time and you can't let the mask drop.

CNN: Young models dying to be skinny

In private, the droll Mr Hollande, who has been trying to transform himself from improbable outsider into solemn would-be president, has gained the necessary confidence to let the stiff mask drop a bit.

ECONOMIST: France��s presidential election