普通的电容 --比如照相机闪光灯里用的那种 --能够进行快速地冲放电,但是不能储存太多的能量.
Normal capacitors—those that power the flashguns in cameras for instance—can be charged and discharged rapidly, but cannot store much energy.
另一些相机会关闭闪光灯，快速连拍几张曝光度不一的照片，然后把这些图像合并起来，拼成一张曝光均匀的照片；
Other cameras turn off the flash and take several shots in rapid succession at different exposure levels, and then combine the images to create one evenly exposed shot;
另一些相机会关闭闪光灯，快速连拍几张曝光度不一的照片，然后把这些图像合并起来，拼成一张曝光均匀的照片；
Other cameras turn off the flash and take several shots in rapid succession at different exposure levels, and then combine the images to create one evenly exposed shot;
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