Absolute exposure control is crucial, and to get it, the photographers relied on exposure histograms.
准确的曝光控制也非常重要，要做到这一点，摄影师依靠的是曝光直方图。
Based on these characteristics, the shutter can be used in large-format optical systems for automatic exposure control.
基于这些特点，该快门可广泛用于大幅面光学系统进行自动曝光控制。
For capturing high-resolution images of the ground target, automatic exposure control system is required for aerial cameras.
为了获得高清晰的地面目标图像，航空摄影机需要自动控制曝光。
L Establish emergency contingency plans and ensure workers receive suitable and sufficient information, instruction and training on exposure control during emergencies.
l制定紧急情况应急计划，确保职工获得合适充足的接触控制信息，说明和培训。
L Establish emergency contingency plans and ensure workers receive suitable and sufficient information, instruction and training on exposure control during emergencies.
l制定紧急情况应急计划，确保职工获得合适充足的接触控制信息，说明和培训。
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