闪亮的回击以光速的一半速度上行传播，由于它的速度太快，在一张图象中不能捕捉到这一过程。
The bright return stroke travels upward at around half the speed of light, and is too fast to capture in more than one image.
在图象的传输过程中，我们希望尽可能减少传输的数据量。
In the process of transporting images we wish to transport less data.
从计算机生成的图象中可及时、直观地观察到低温谷物干燥过程中的有关现象和规律，而无需冗繁的数据处理。
The relative phenomenon and law during low temperature grain drying process can be observed timely and clearly from the graph produced by the computer without any complex data processing.
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