“useful composition”的概念、定义、翻译、参考文献-科学参考

单词	useful composition
释义	useful composition Encyclopedia 理学采样释 useful composition有用组分指矿石中可提取利用的有用元素、化合物和矿物。
随便看	dynamic statistics dynamic stereotype dynamic stiffening dynamic stochastic general equilibrium model dynamic stocking rate dynamic stop dynamic strength of dam concrete under earthquakes dynamic strength of soils dynamic strength of structure dynamic strength test of structure dynamic stress dynamic structural experiment dynamic structure factor dynamic structure graph dynamic structure query language dynamic structure query language, dynamic SQL dynamic surface control dynamic surface tension dynamic survey on geologic hazard before raing season dynamic survey on geologic hazard in raing season dynamic symbol dynamic symmetry model Dynamic Syntax dynamic systems dynamic systems development method

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。