单词	nonreturn ot zero (nrz)
释义	同siganling-- nonreturn ot zero (NRZ)
随便看	qualitied qualities -quality quality quality adjusted life expectancy quality adjusted life expectancy {=qale} quality adjusted life year quality adjusted life year {=qaly} quality-adjusted survival time quality agriculture quality analysis quality and performance test quality and quantity unknown quality assessment quality assurance quality assurance acceptance standards quality assurance acceptance standards，qaas quality assurance agency quality assurance agency {=qaa} quality assurance data system quality assurance data system--qads quality assurance data system，qads quality assurance division quality assurance division--qad quality assurance division，qad