恒偏向棱镜是指能恒定改变光束传输方向的转向元件。

Constant deviation prism is a turning element which can invariably transform the propagating direction of the light beam.

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恒偏向棱镜是指能恒定改变光束传输方向的转向元件。

Constant deviation prism is a turning element which can invariably transform the propagating direction of the light beam.

youdao