AV:孔径值
“Aperture Value”(简称AV)是为了书写和使用便捷而产生的常用缩写,广泛运用于摄影、成像及相关综合领域。其中文含义为“孔径值”,它直接影响镜头进光量的大小,是摄影中控制曝光与景深的关键参数之一。
Aperture Value的英文发音
例句
- Set the lens aperture to the aperture value designated by the flash unit according to the ISO setting of your camera.
- 根据您相机的ISO设置并按闪光灯要求的光圈数值来选好您相机的光圈大小。
- In this mean time, how to choice the antenna aperture in a given value of C / N and EIRP is discussed.
- 对于在给定C/N和EIRP情况下如何选择天线口径作了论述,并讨论了小口径天线Ku/C兼容、EIRP与天线余量等问题。
- Applying Gr calculation method of throttle valve slice bending transformation value to analyze the relation between throttle aperture increment and bending transformation value, and discuss the change of throttle aperture increment with the pressure change.
- 利用节流阀片弯曲变形量Gr计算方法,对节流缝隙增量和弯曲变形量的关系进行了分析,对节流缝隙增量随压力的变化进行了探讨。
- Result show that with the increase of crack aperture, its air entry value decreases and the residual water content dropped. (ⅲ) A device for measuring the saturated coefficient of permeability is developed for a single crack.
- 通过对比发现:随着裂隙板开度增加,其进气值下降,同时其失水速度加快,残余含水率降低。3.研制和改进一套可以用来测量不同开度情况下随机裂隙饱和渗透系数的试验装置。
- If the aperture is changed while an exposure value is locked in Auto operation, the camera will adjust the shutter speed to correspond to the exposure value that is locked.
- 如在自动操作状态,曝光值被锁定时,又改变了光圈,相机将调整快门速度已对应被锁定的曝光值。
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