介绍了二级光谱的基本原理，给出了波差法设计复消色差物镜的方程组。
The principle of secondary spectrum is introduced and the equations of designing apochromatism objective lens based on wave aberration are presented.
介绍了二级光谱的基本原理，给出了波差法设计复消色差物镜的方程组。
The principle of secondary spectrum is introduced and the equations of designing apochromatism objective lens based on wave aberration are presented.
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