“cut-off grade”的概念、定义、翻译、参考文献-科学参考

单词	cut-off grade
释义	cut-off grade Encyclopedia 工学〔矿产工业指标〕释 cut-off grade；marginal grade边界品位在圈定矿体时，对单个矿样中有用组分含量的最低要求，以作为区分矿石和围岩的界限品位。是固体矿产工业矿体圈定时的一项品质指标。
随便看	first test for convergence first theorem of Pappus first time of entry first Townsend coefficient first trace first transfinite ordinal first treatment rate in community first trimester screening first-type outer boundary first type surface first variation first variation formula first variation formula of arc length first virial coefficient first vitamin first wall first-wall materials first window FIRST星表 FIRST空间望远镜 Firth of Forth Bridges FISAF fiscal commissioner fiscal decentralization theory fiscal deposit

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