Let's think about it for ten seconds why this could be interesting and relevant, and I want to ask if anybody changed their mind.
首先我们来,考虑下这条,提示几秒钟。
So our last question we ask is what's the total number of photons emitted if we give this given intensity for 60 seconds?
最好的问题是如果我们,按照给定的强度照射60秒,那么总的光子数是多少?
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