People of the world, be courageous, dare to fight, defy difficulties and advance wave upon wave.
全世界人民要有勇气，敢于战斗，不怕困难，前赴后继。
The oscillatory phase of the electromagnetic wave doesn't even advance such as in a vacuum — this is what we term a zero-phase delay.
电磁波的震荡甚至不像在真空中那样前进了。 这就是我们称之为零相位表现。
The wave soldering process may advance welding on the surface mount components damage. Now a lot of circuit board with surface mount components.
采用波峰焊工艺可能会对先期焊接的表面贴装元件造成损伤。现在很多电路板上以表面贴装元件为主。
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