对光学成像产生影响的主要成分是散光像差、彗差和三叶草像差。
Meanwhile, astigmatism aberration, coma aberration and trefoil aberration are three main effects that influence the quality of the optics.
结果：总高阶相差、水平彗差、垂直彗差和球差均随瞳孔直径的增大而增大；
Results: Total higher order aberrations, spherical aberration, horizontal primary coma, and vertical primary coma, were increased significantly with increasing pupil size.
他在研究彗差星系簇的时候，发现星系本身的引力作用太小而不足以维持星系簇的成型。
While studying the Coma galaxy cluster, he found that the galaxies' gravity alone was much too small to hold the cluster together.
结果表明，与基于硅片曝光的彗差测量方法相比，基于空间像的彗差测量技术速度上的优势十分明显。
Compared with the resist-based coma measurement techniques, the technique based on the aerial image possess the advantage of time-saving.
对欲行个体化角膜切削的近视及近视散光患者，保留较小的垂直彗差而完全矫正球差可能有助于视觉质量的提高。
Maintaining smaller vertical primary coma and correcting spherical aberration completely for myopia and myopic astigmatism may be the best choice for customized cornea laser ablation surgery.
在高数值孔径、低工艺因子的光刻技术中，投影物镜彗差对光刻质量的影响变得越来越突出，因而需要一种快速、高精度的彗差原位测量技术。
In high numerical aperture and low technic factor lithography process, degradation of the image quality because of the coma aberration in the projection lens has become a serious problem.
在高数值孔径、低工艺因子的光刻技术中，投影物镜彗差对光刻质量的影响变得越来越突出，因而需要一种快速、高精度的彗差原位测量技术。
In high numerical aperture and low technic factor lithography process, degradation of the image quality because of the coma aberration in the projection lens has become a serious problem.
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