1.
Make sure that you have the correct time for exposure.
曝光时间要掌握好。
2.
overtime a photographic exposure.
使摄影曝光时间过长
3.
shutter time
快门曝光时间(摄影)
4.
Manual exposure camera all have build in light meter which tell you exactly what exposure you have to set.
手动曝光相机都装有曝光表，说明应设定多少曝光时间。
5.
You'd better consult the exposure meter if you're not sure of the time for exposure.
如果你吃不准曝光时间，最好查一下曝光表。
6.
You'd better consult the exposure meter if you be not sure of the time for exposure.
如果你嘱不准曝光时间，最好查一下曝光表。
7.
You 'd better consult the exposure meter if you are not sure of the time for exposure .
如果你算不准曝光时间，最好查一下曝光表。
8.
To expose(film)to light for too short a time or to light or radiation insufficient to produce normal image contrast.
曝光不足（底片）曝光时间太短或光线太弱无法制造正常图像反差
9.
Time exposures produce a fuzzy boundary.
曝光时间长会使轮廓不清。
10.
These two picture is take with different exposure.
这两张照片是用不同曝光时间拍的。
11.
Designed for or compatible with a short exposure time
为短曝光时间设计或与之相适宜的.
12.
An exposure of one hundredth of a second will is enough.
百分之一秒的曝光时间就足够了。
13.
You 'd better give it an exposure of 1/60 of a second .
你最好给它六十分之一秒的曝光时间。
14.
exposure of a film for a relatively long time (more than half a second).
胶卷曝光时间相对较长（超过半秒钟）。
15.
One will choose an exposure time which is a good compromise between the times required for the blue and the red rays.
可以选择一个介于红光和蓝光所需要的曝光时间之间的折衷值作为曝光时间。
16.
an exposure of 1/100 of a second will be enough in this sunshine.
这样的阳光下，百分之一秒的曝光时间足够了。
17.
Effect of exposure time on atmospheric scintillation of uplink beams
曝光时间对上行传输光束强度起伏的影响
18.
Exposure meter: An instrument which measures light intensity and provides information for proper exposure. Calibrated for different emulsion speeds.
曝光表:测量光的强度，并根据不同乳剂的感光速度，提供标准曝光时间的仪器。