可以用一个非常小的透镜孔阑来校正球差，但这会严重地影响最终鉴别率。
A very small lens aperture is employed to correct spherical aberration , but this severely limits the final resolution.
可以用一个非常小的透镜孔阑来校正球差，但这会严重地影响最终鉴别率。
A very small lens aperture is employed to correct spherical aberration , but this severely limits the final resolution.
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