This change in state produces the EMR effect.

这种状态的改变产生了EMR效应。

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Based on the diffraction optics, this paper analysis the effect of aperture matching on EMR, size of focus point and focus depth of the object in detail.

本文以衍射光学为基础，详尽地分析了光束孔径匹配对光能耦合效率、光斑尺寸、物镜焦深的影响。

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The characteristics of memory effect of electromagnetic radiation (EMR) during the fracture of coal or rock in different loaded ways are studied.

通过实验研究了不同加载方式下的煤岩破坏电磁辐射记忆效应特性；

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