“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	standard conjecture standard construction standard coordinate standard cosmological model standard cube standard curve standard curve method standard data method standard defining function standard definition standard definition shooting standard definition television，SDTV standard design of bridge standard deviation standard deviation distribution standard deviation method standard deviation of population standard deviation of sample standard deviation of standard deviation standard deviation of weighted mean standard deviation score standard device for aero-radioactivity survey standard device for ground radioactivity survey standard device for radioactivity log standard device of platinum resistance thermometer

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。