如果我能看到光源，我通常一定要在一个单独图层上留个记号作为层参考点。
If I can see the light source, I usually make sure to leave a mark here on a separate layer as a point of reference.
本文详细推导了用振幅调制激光为光源外差激光探针的信号光与参考光干涉光强表达式。
In the paper. the interference intensity of signal laser beam and the reference one is carried out in detail on a heterodyne laser probe with amplitude modulated laser source.
这些干涉图被由小平面反射镜运动造成的参考光虚点光源的位移所调制。
The interferograms are modulated by the displacements of the virtual point sources of the reference beams due to motion of the small mirror.
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