With automatic white-balance Settings, contrast level adjustment system, automatic gain control, backlight compensation function.
具有自动白平衡设置，反差系统水平调整，自动增益控制，逆光补偿等功能。
2
Results image contrast and film image density is quickly adjusted by mechanism of automatic exposure control to optimize imaging.
结果自动曝光控制机构迅速调整对比度和胶片影像密度，使成像结果最佳。
3
In view of the spherical surface numerical control milling question, the paper has analyzed the advantage and disadvantage of automatic programming and the manual programming by contrast.