英语词汇“echo envelope”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	echo envelope
释义	echo envelope 回波包络线
随便看	grid-plate transconductance grid plate transconductance grid plenum grid plug grid point gridpoint grid-point method grid point method gridpoints grid pool tank grid-pool tube grid pool tube grid position grid positive-driven condition grid potential grid potentiometer grid potentionmeter grid power line grid-power supply grid prime vertical grid priming voltage grid printing grid problem grid proximity effect grid pulse 友情友情浓于酒友正直者日益，友邪柔者日损友直、友谅、友多闻，益矣；友便辟、友善柔、友便佞，损矣友直，友谅，友多闻，益矣。友者，俭岁之梁(粱)，肉，寒年之纤纩(kuang矿)也。友者，所以相有也友者，所以相有也。道不同，何以相有也？双凫不成浴，两鸳固无比。双剑欲别风凄然，雌沉水底雄上天。ひ【碑】ひ【秘】ひ【緋】ひ【罷】ひ【肥】ひ【被】ひ【費】ひ【避】ひ【鄙】ひ【非】