短語詞組短語pulse spectrum envelope 脈沖頻譜包絡pulse envelope method 脈沖包線法HF pulse envelope 高頻脈沖包絡t w Pulse envelope 脈沖包絡RF pulse envelope 射頻脈沖包絡;高頻脈沖包絡;的繙譯是RF脈沖信封received pulse envelope [電子]接收脈沖包絡pulse envelope matching 脈沖包絡重郃transmitted pulse envelope 發(fā)射脈沖包絡envelope pulse 脈沖包跡 返回 pulse envelope