Chinese translation for "primary standard sample"

一级标样
原始标准试样

Similar Words：

"primary standard data" Chinese translation, "primary standard fuel" Chinese translation, "primary standard instrument" Chinese translation, "primary standard pyrheliometer" Chinese translation, "primary standard resistance thermometer" Chinese translation, "primary standard solution" Chinese translation, "primary standard sound source" Chinese translation, "primary standard substance" Chinese translation, "primary standard thermocouple" Chinese translation, "primary star" Chinese translation