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bg3xx:如果用于日常监控天馈系统驻波大小,就选双针的,看个大概就行,不必在乎读数是否精确。如果是用来研究和测量天馈系统驻波大小或者用来调试天线的驻波,那就买个单针的。单针的每次测量 .. (2022-11-21 16:09)
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