“回波”的概念、定义、翻译、参考文献-科学参考

单词	回波
释义	回波 Physics 光学、声学声学 echo回波 backward wave反向波^†，回波，返波在行波管中群速和电子流方向相反的波 back wave反向波^†，回波 echo回波^†，回声^† wave-echo回波 Astronomy echo wave; return wave; back wave回波
随便看	subseries convergence subserosa subset subset bounded from below subset of a lattice subset sum problem subset-sum problem subset-sum theory subshaft subsheaf subshell subshift subshift of finite type sub-shock subshrub subside subsidence subsidence disaster subsidence disasters in China subsidence history analysis subsidence mechanism of basin subsidence of pier-abutment foundation subsidence of roadbed subsidiary subsidiary absorption

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