Kohler illumination was used in proximity lithography, and a flys eye lens was adopted to form multi-point source in order to uniform the light intensity on the mask plane.

接近式光刻中一般采用柯勒照明系统，并采用蝇眼透镜形成多点光源均匀掩模面的光场分布。

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Granderson caught a few flys during batting practice.

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