Electronic Support Measure (ESM) system has the function of threat detection and the area monitor to locate and identify the Radio Frequency Source (RFS).是什么意思_Electronic Support Measure (ESM) system has the function of threat detection and the area monitor to locate and identify the Radio Frequency Source (RFS).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句