“trace element”的概念、定义、翻译、参考文献-科学参考

单词	trace element
释义	trace element Encyclopedia 工学食品配料释 trace element微量元素占人体总重量不到0.01%、每日需要量小于100毫克的元素。理学微量元素（地球化学）释 trace element微量元素在自然体系中含量低于0.1%的元素。 Astronomy trace element示踪元素 Biology trace element痕量元素；超微量元素
随便看	coal measure source rock coal measure strata coal milling system coal mine gas explosion coalmine high pressure isothermal adsorption experiment coal miners bursitis coal miner's pneumoconiosis Coal Miners Series coal mine safety regulation coal mining coal moisture control coal non combustible coal non-combustible coal noncombustible coal occurrence tectonic units coal oil blended fuel coal oil co refined coal oil co-refined coal oil mixture fuel coal-oil mixture fuel coal-oil mixture fuel; COM fuel coal petrography sample coal petrology coal plough coal preparation

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。