Then viewed by transmitted light, the center of the pattern is bright.
因而传播的光被观察时,中心的图案是亮的。
In principle centring errors are measurable in transmitted light and in reflection.
原理上定心误差在光传播和光反射里是可测的。
A new monitoring method, the technique of transmitted light fluctuation, is introduced in this paper.
提要介绍了一种全新的检测方法——透光脉动检测技术。
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