And now we repeat the experiment, only this time we come with an electron beam.
现在来重复一下实验，仅在这次我们得到了电子束。
It must be compromised among beam position standing time, mean gain loss and so on.
这就必须在波位驻留时间和平均增益损失等因素之间进行折衷。
It must be compromised among beam position standing time, mean gain loss and so on.
这就必须在波位驻留时间和平均增益损失等因素之间进行折衷。
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