backward traveling-wave反行波
backward-wave oscillation返波自激振荡
backward-wave magnetron反波式磁控管
backward-wave oscillator[电子] 返波振荡器;反波振荡器
backward-wave converter反波变频管
backward-wave effect回波效应
Backward-wave Tubes返波管
backward-wave oscillator tube返波振荡管
coaxial backward-wave oscillator同轴返波振荡器