要改变当前曝光测定设置，在重复第1 -2步。
To change the current exposure metering setting, repeat steps 1 and 2 again.
自动曝光锁定模式能锁定精确曝光测定时的曝光值。
The AE lock mode locks the exposure value for precise exposure metering.
本相机有两种曝光测定系统：中央偏重测光和单点测光模式。
This camera has 2 types of exposure metering systems: center-weighted average metering and SPOT metering.
一般情况下，可以由相机来测定整个画面的光线亮度，并确定最佳曝光量。
In general, the camera to determine the whole picture of the radial brightness, and the optimum exposure.
定量加入内标，利用火花源质谱单曝光法测定杂质元素。
Internal standard is added, impure elements are determined by spark source mass spectrometry single exposure method.
本文介绍了采用高温热台显微镜，通过二次曝光显微摄影，测定KTP各晶面生长速度的方法。
This paper introduces a method for the determination of individual faces of KTP crystal by high temperature microscope adopting 2-time exposure microphotography.
目的建立以焦点胶片距离的改变，取得X线阶段曝光的屏片体系感光测定方法。
Purpose To establish a screen film system sensitometric method of X ray scale exposure by changing the distance between focus and film.
目的建立以焦点胶片距离的改变，取得X线阶段曝光的屏片体系感光测定方法。
Purpose To establish a screen film system sensitometric method of X ray scale exposure by changing the distance between focus and film.
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