Conclusion the flickering light source may lead to the change of visual accommodation and cause the asthenopia.
结论荧光灯频闪可以使眼的调节机能发生变化，引起视觉疲劳。
A high resolution and a wide visual field of the chromatic image is reconstructed with a white -light source.
用白光再现的消色像，图像分辨率高，视场范围宽。
Note 6: the defect which cannot be confirmed according to the position of the light source and the visual angle is acceptance.
如果不能被确认的缺陷是依照检验台光源位置和人的视角判定则判定结果仍是可被接受的。
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