metamorphic grade

基本解释

A new thought is proposed to forecast mineralization of endogenetic deposits based on metamorphic grade of coal.
據此提出了根據煤變質程度進行內生鑛牀成鑛預測的新思路。
Besides metamorphic grade, the nature of original rocks and the precursor of carbonaceous material may also influence graphitization.
除了變質程度以外，原巖的類型和碳的原始物質的種類也會影響碳的石墨化作用。
The Panxi (Panzhihua-Xichang) granulites have long been recognized as the oldest rock of the crystalline basement with the highest metamorphic grade on the western margin of the Yangtze Block.
攀枝花-西昌（攀西）麻粒巖一直被認爲是敭子陸塊西緣變質程度最高和最古老的結晶基底巖石。