词汇	source extraction
释义	source extraction 源信号提取
随便看	emergency switching-off emergency switching service emergency switch, panic button emergency system emergency systems Emergency Tactical Air Control emergency take-off runway emergency talks emergency tank emergency taphole emergencytapping tank Emergency Target Relay Unit emergency tariff emergency tariff act of 1921 emergency teachers emergency team emergency teams emergency technique emergency telecommunication emergency telecommunications emergency telegraph transmitter emergency telemetry emergency telephone emergency telephone hotline emergency telephone number