A.精密度B.準(zhǔn)確度C.定量下限D.提取回收率
A.1pg/mlB.1ng/mlC.1ug/mlD.1mg/ml
A.10-6~10-4g/mlB.10-8~10-4g/mlC.10-12~10-10g/mlD.10-16~10-10g/ml