Therefore, a new approximation model for alternating phase shift mask considering shadowing effects was proposed in this paper, and shadowing ratio was redefined.

因此本文针对交替式相移掩模，提出了一种考虑阴影效应的近似模型。

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In addition to alternating phase difference between two aims of interferometer, the intensity of light of the interference fringes will vary in the same frequency, which is called as phase modulation.

当两相干光附加一按固定频率变化的相位差时，其干涉条纹的光强将随之交变，即为相位调制干涉。

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The negative effect produced by ionization of the dielectrics is reduced with the phase factor of alternating electric signals.

利用交变电信号的相位项，降低由电介质电离而产生的负效应。

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Although they have not been found to cause any harm, the cables on conventional pylons, which transmit a three-phase alternating current, generate a strong electric field and a continuous buzz of low-frequency radio waves.

ECONOMIST: Monitor

Given the North Korean leadership's contradictory need for South Korea to be both an enemy and a source of economic assistance, this might prove to be the more difficult phase in dealing with North Korea as its well-worn strategy of alternating threat and diplomacy continues to yield diminishing returns.

CNN: Why North Korea regime is scary