“second-time-around echo”的概念、定义、翻译、参考文献-科学参考

单词	second-time-around echo
释义	second-time-around echo [`sek·ǝnd ¦tīm ǝ`rau̇nd ´ek·ō] ^ELECTRONICS A radar echo received after an interval exceeding the pulse interval. Also known as second-trip echo.
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