本文以罗埃大信号理论为基础，对提高小型化行波管效率的动态速度渐变技术和二次谐波的抑制问题进行了模拟计算分析。
The dynamic velocity taper and induced second harmonic are analyzed which improve the miniature TWT efficiency using computer simulation based on Rowe large signal theory.
不仅只有该山峰的冰川在以前所未有的速度消融，其剩余的冰雪也在逐渐变薄。
Not only are the mountain's glaciers retreating at an unprecedented rate, but its remaining ice is thinning.
随着婴儿潮时出生的人逐渐变老，参与该计划的人数在衰退前就已经开始上升；不过经济低迷导致申请的速度更快了。
While the program's rolls were already rising before the recession, as baby boomers aged, the pace of applications sped up with the economy's downturn.
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