“permanent echo”的概念、定义、翻译、参考文献-科学参考

单词	permanent echo
释义	permanent echo [`pǝr·mǝ·nǝnt `ek·ō] ^{ELECTROMAGNETISM} A signal reflected from an object that is fixed with respect to a radar site.
随便看	glucosidase glucoside glucosulfone sodium glucosyltransferase glucuronic acid glucuronidase glucuronide glue glueball glue block glue cell glue-joint ripsaw glue-line heating glug glulam glume glumiferous Glumiflorae gluon gluonia gluside glutamate glutamic acid glutaminase glutamine

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