偏置中心体尾端，在一定范围内能调节周向畸变指数。

The circular distortion factor can be regulated by turning the tail end of the centre body in certain extent.

youdao

偏置中心体尾端，在一定范围内能调节周向畸变指数。

The circular distortion factor can be regulated by turning the tail end of the centre body in certain extent.

youdao