face vary with shaft angle because of the connection between the curved surface of columnar reflecting surfaceand the decentration shaft.
的曲面与的关系,使接收面与反中距离、反面的光线入角随角而变化。
face vary with shaft angle because of the connection between the curved surface of columnar reflecting surfaceand the decentration shaft.
的曲面与的关系,使接收面与反中距离、反面的光线入角随角而变化。
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