development and preparation of standard sample
electrolyte standard sample
environmental standard sample
geochemical standard sample
geologic standard sample of loess
molecular mass standard sample
polymetal ore standard sample
preservation test of standard sample
Recalibration standard sample
sample standard deviation
样品标准差
样本标准偏差
试样标准偏差
样本标准差
样本标准离差
Sample Standard Deviation δn-1
standard sample
标准样品
标准试样
标准样本
标准试件
参考试件
标样
标准品
酸解烃
标准样
standard sample container
standard sample of chlorophyll a
Standard sample of codonopsis pilosula (Franch) Nannf