“marginal grade”的概念、定义、翻译、参考文献-科学参考

单词	marginal grade
释义	marginal 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	atmospheric environmental model atmospheric environmental quality atmospheric environment capacity atmospheric excitation for decadal LOD variation atmospheric exploration atmospheric exposure test atmospheric extinction atmospheric filter atmospheric flight environment atmospheric floating exploration atmospheric fluctuation Atmospheric Fluidized Bed Combined Cycle atmospheric fluorescence atmospheric gas oil atmospheric gas phase reaction atmospheric gas-phase reaction atmospheric geostrophic adjustment atmospheric humidity atmospheric icon atmospheric inertial waves atmospheric infrasonic waves atmospheric interference atmospheric Kelvin waves atmospheric kinetic bifurcation atmospheric kinetic catastrophe

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。