单词	nonnegative restriction
释义	nonnegative restriction 非负限制
随便看	phase-sensitive protection phase-sensitive rectification phasesensitive rectifier phase sensitive rectifier phase-sensitive rectifier phase-sensitive short-circuit protection phase-sensitive switch phase sensitive system Phase sensitive system Phase-sensitive system phase-sensitive track circuit phase-sensitive track circuits phase sensitive trigger phase-sensitive trigger phase sensitive voltmeter phase-sensitive zero indicator phase sensitivity Phase sensitivitydetection phase sensitivity detection Phase-sensitivity non-coherent MTI phase-separate Phase-separate phase-separated phaseseparated fiber phase separated fiber