“back-echo reflection”的概念、定义、翻译、参考文献-科学参考

单词	back-echo reflection
释义	back-echo reflection [`bak ´ek·ō ri`flek·shǝn] ^ELECTRONICS A radar echo produced by radiation reflected to the target by a large, fixed obstruction; that is, the ray path is from antenna to obstruction to target to antenna, instead of antenna to target to antenna.
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