The nonlinear ADP crystal is oriented in such a way that phase matched SHG is produced only when both incident beams are present as ordinary rays.
非线性晶体adp的取向是使仅在两束光都存在时才有位相匹配的SHG。
Ordinary cosmic rays are puny things.
普通的宇宙射线微不足道。
Because of their short wavelength, x-rays can pass through objects which are opaque to ordinary light.
由于X射线的波长短，它就能穿透一般光线所不能穿透的物体。
Because of their short wavelength, x-rays can pass through objects which are opaque to ordinary light.
由于X射线的波长短，它就能穿透一般光线所不能穿透的物体。
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