英语词汇backward wave怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	backward wave
释义	backward wave 简明释义（物）反向波：指在某些物理现象中，波的传播方向与能量传播方向相反的波。（电子）返波：指在电子设备中，由于反射、散射等原因而返回到源端的波。网络释义 1 [电子]?返波返波 2 ?后向波后向波 3 ?逆向行波逆向行波短语 1 backward wave magnetron 返波式磁控管 ; 回波磁控管 2 backward-wave crossed-field amplifier 返波正交场放大管 3 backward wave tube 返波管 ; 回波管双语例句 1 The backward wave output amplified about four times was experimentally obtained. 实验得到了放大约四倍的后向波输出。 2 This paper brings forth a new relativistic backward wave oscillator with coaxial extractor. 提出一种新型相对论返波管同轴引出相对论返波管结构。 3 Third-order susceptibility has been determined by the ratio of the input probing beam in tensity to the backward wave intensity in four-wave mixing. 通过测量后向反射波与入射波的强度比，可以确定介质的三阶极化率。
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