镜面球

1
mirror ball
在观众们入场的时候也是，因为我不喜欢那种空气停滞似的感觉所以让镜面球（Mirror Ball）旋转起来，让会场的气氛流动起来。虽然本来没有让镜面球旋转起来的打算（笑），但似乎那样比较好呢。
2
disco mirror balls
美国求购舞厅用球，镜面球(disco mirror balls) (11-1) 英国求购舞厅用球(Mirror Balls) (10-16)

短语

1
球差-使以不同孔径角穿过透镜(或从镜面上发射)的光线不能聚焦在轴上的同一点。
Spherical Aberration — causes light rays passing through a lens (or reflected from a mirror) at different distances from the optical center to come to focus at different points on the axis.
2
球差-使以不同孔径角穿过透镜（或从镜面上发射）的光线不能聚焦在轴上的同一点。
Spherical Aberration -- causes light rays passing through a lens (or reflected from a mirror) at different distances from the optical center to come to focus at different points on the axis.
3
对所述积分球进行了理论分析，并给出了氧化镁及蒸铝镜面等反射率的实测数据。
Theoretical analysis are carried out for this integrating sphere and the measured data of reflectance of the MgO, vacuum-vaporized Al mirror film and other surfaces are presented.

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