文中求得了相应的电子群聚、注一波互作用功率及增益的表达式，并进行了讨论。
We also derive out some useful expressions, such as electron bunching, beam-wave interaction power and gain, and carry out some discussions.
推出了电子注与波的互作用功率、频偏和起振电流等公式，并进行了详细的讨论和分析。
And the formulas of electron beam to wave interaction power, frequency shift, starting current and etc. are derived. Then some discussions and analyses are carried out in detail.
本文采用功率谱分析法讨论了作用在三轴汽车平衡悬挂承载部件上的动载荷问题。
By means of spectral analysis method, the problem of dynamic loads acting on the load-carring components of rear bogie suspension system of a truck is analysed in this paper.
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