当美国联邦调查局(FBI)要求她将底片曝光时，她立即拒绝了。
When the FBI asked her to hand over the footage publicly, she refused outright.
照完一张照片后必须过卷，否则底片会重复曝光。
You have to wind on after taking a picture, or your negative will be double-exposed.
小(有时候称“快”)焦比的望远镜确实能够在底片上呈现出更亮的图像，因此需要的曝光时间可以更短。
Telescopes with small (sometimes called "fast") focal ratios do, however, produce brighter images of extended objects on film, and thus require shorter exposure times.
曝光是在相片冲洗过程中把底片暴露在光线中所发生的效果。
Solarizing is an effect that occurs when a negative is exposed to light part way through the photographic development process.
马雷发明了一种叫做“chronophotography”的摄影方法，也就是通过多重曝光在同一张底片上连续捕捉某个动作的不同阶段，让变化的对象不断重叠。
Marey invented a technique called "chronophotography" that captured the stages of movement on a single photographic plate, with multiple exposures per second so that the moving figures overlap.
在确定曝光次数后是否使用粘尘滚轮对底片进行清洁？审核清洁滚轮状况？
Is the artwork cleaned after defined exposure times using tacky roller? Review the condition of the tacky rollers.
你的身影，在我心的底片上曝光—摄得那么真，印得那么深！
Your figure is left on the film of my heart, which is so clearly presented at the bottom of my heart.
的时限价值或情况的范围，尤指曝光范围，在此期限内摄影用的底片能产生可用的影象。
A range of values or conditions, especially the range of exposures over which a photographic film yields usable images.
如果你照完一张相片后不往前进一张，底片就是会曝光。
If you don't wind on after taking a picture, your negative will be double-exposed.
能多次曝光拍摄，当快门按钮按下时，胶卷不会卷动，可实现在同一底片上多次曝光。
Enables multi exposure shooting. The film does not advance when the shutter button is pressed to allow taking several exposures on the same frame.
感光胶片或底片的曝光的行为。
感光胶片或底片的曝光的行为。
感光胶片或底片的曝光的行为。
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