Electromagnetic wave radiation produced due to the high voltage spark ignition will interfere the radio receiving system nearby.
摩托车汽油机由高压电火花点火，产生电磁波辐射，对在其附近的无线电接收设备造成干扰。
The mechanism and principle of the electromagnetic wave radiation is described in this paper. And this gauge is used to investigate the rock ahead of failure.
叙述电磁辐射产生机理及测试原理，并利用电磁辐射对煤（岩）破坏前进行实时监测。
The antenna element has a ridge element unit (21) for adjusting antenna characteristic corresponding to a ridge portion and a radial element unit (22) for electromagnetic wave radiation.
天线元具有调整与脊形部分相对应的天线特性的脊形元单元(21)、和用于电磁波辐射的辐射元单元(22)。
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