常見例句雙語例句For large primary coma aberration, interference fringe presents.大的初級彗差使焦平面出現(xiàn)干涉條紋。d.wanfangdata.com.cnIt is difficult to determine exactly an geometrical value of coma aberration by method of star-testing.直接用星點法不易準(zhǔn)確測定慧差的幾何值。As a result of shape change and groove density variation, it not only improves the focusing condition, but also affectes higher order aberrations such as coma aberration of the imaging system.由于光柵面形及其線密度的變化,不僅對光柵成像的聚焦特性有所改善,對彗差等高階次像差的影響也是不可忽略的。 返回 coma aberration