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。
Media, such as media feed advance rate, UV Lamp intensity and platen vacuum force.
媒体，如媒体事先饲料率，紫外线灯强度和压板力量真空。
The research on vacuum micro-tool is advance task in the MEMS field.
微夹研究是微机械电子学系统（MEMS）领域的一个前沿课题。
In addition, they usually have a vacuum device to test the operation of vacuum-advance mechanisms.
通常还有一个真空装置，用于检查真空点火提前装置的工作情况。
In addition, they usually have a vacuum device to test the operation of vacuum-advance mechanisms.
通常还有一个真空装置，用于检查真空点火提前装置的工作情况。
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