“passive radar”的概念、定义、翻译、参考文献-科学参考

单词	passive radar
释义	passive radar [`pas·iv `rā´där] ^ENGINEERING A technique for detecting objects at a distance by picking up the microwave electromagnetic energy that is both radiated and reflected by all bodies.
随便看	related angle relation relational algebraic language relational calculus language relational capability relational database relational data structure relationally complete relational operator relational spreadsheet relational system relative relative address relative age relative atomic mass relative attenuation relative azimuth relative bandwidth relative bearing relative biological effectiveness relative byte address relative chronology relative coding relative compaction relative contour

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