Test results showed] their threshold level of less than 12mW, the insertion loss of less than 0.2dB and the VSWR of less than 1.3 at small signal.是什么意思_Test results showed] their threshold level of less than 12mW, the insertion loss of less than 0.2dB and the VSWR of less than 1.3 at small signal.在线翻译_英语_读音_用法_例句