“backward wave”的概念、定义、翻译、参考文献-科学参考

单词	backward wave
释义	backward wave [`bak·wǝrd ´wāv] ^{ELECTROMAGNETISM} An electromagnetic wave traveling opposite to the direction of motion of some other physical quantity in an electronic device such as a traveling-wave tube or mismatched transmission line.
随便看	back diode back-door cold front back draft back-draft damper back echo back-echo reflection backed cloth back edging back electromotive force back-emission electron radiography back end back-end system backfill back fillet backfire backfire antenna backflap hinge backflash backflooding backflow backflow connection backflow preventer backflow valve back focal length backfolding

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