... exposure value 曝光量值 exposure-control device 曝光控制装置 expriation data 做用限期，有效期 ...
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自动曝光控制装置 AE ; Aperture Priority
何谓自动曝光控制装置 automatic exposure control device
曝光量自动控制装置 automatic exposure unit
网点清晰度高，自动控制曝光时间，内置快门保护装置。
The mesh point clarity is high, the automatic control exposure time, in sets at the shutter protective device.
但是目前国内广泛使用的X射线机的点片曝光装置还存在自动化程度低、控制精度差、曝光精度低以及体积大等缺点。
However, the film exposure device of the currently widespread-used X-ray machine has poor quality of image, a low level of automation, poor precision controlled and film exposure and large size.
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