英语词汇“primary reference material”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	primary reference material
释义	primary reference material 基本标准物质
随便看	salt spreader salt-spreader salt spreading saltspreading salt spring Salt Springs salt spue salts separator salt starvation salt-starved animal salt status salt steppe salt sth away salt stick salt stock salt stock pickle salt stock pickles salt stone salt-stone salt stress salt structure salt substance salt substitute salt substitutes salt substrate 叶落知秋，举一明三叶落长门静，苔生永巷幽。相思对明月，独坐向空楼。叶落风不起，山空花自红。号令不虚出，赏罚不滥行。号令不足以使下号令数下者，可亡也号寒虫得过且过号山无定鹿，落树有惊蝉。号筒里塞棉花，吹不响司徒清鉴悬明镜，使君俊气凌青霄。晌饭晏晏寝废食晏晏晏然晏驾晒晒书晒伤晒印