metamorphic grade meaning in English
变质程度
变质度
变质级别
Examples
- The jiangcang mining area locates the position of special earth structure , regional structure developed distinguishingly , with the third kind of structure complicated degree and the third type of coal bed stable degree and metamorphic grade
摘要江仓矿区位于特殊的大地构造位置，区域构造演化特殊，构造复杂程度属三类，煤层稳定程度和煤质变化程度属三型。