单词	原级光度标准
释义	原级光度标准primary photometric standard
随便看	nuclear rotational nuclear rotational level nuclear rotational--level nuclear-ruel nuclear run-away nuclear runaway nuclear--run-away nuclears nuclear safeguard nuclear safeguards nuclear safeguard technique nuclear safety nuclear safety assessment nuclear safety audit and review committee nuclear safety audit and review committee{=nsarc} nuclear safety classification nuclear safety enforcement nuclear safety goal nuclear safety license nuclear safety licensing system nuclear safety line nuclear safety operation nuclear safety operation requirement nuclear safety operatios analysis nuclear safety operatios analysis{=nsor}