A suggestion is instrumental jadeite grading by established a database of the high quality jadeite.
提出设立高档翡翠数据库，定量划分翡翠品质等级的构想。
It must be advance standardization of the jadeite quality grading.
进而推进翡翠品质分级标准化工作。
Based on the qualitative grading of jadeite jade studied by predecessors, the quantitative measuring and grading method are developed.
在前人翡翠透明度定性分级的基础上，提出了翡翠透明度定量测量和分级的方法。
Based on the qualitative grading of jadeite jade studied by predecessors, the quantitative measuring and grading method are developed.
在前人翡翠透明度定性分级的基础上，提出了翡翠透明度定量测量和分级的方法。
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