“placer sampling”的概念、定义、翻译、参考文献-科学参考

单词	placer sampling
释义	placer sampling Encyclopedia 理学采样释 placer sampling砂矿取样为查明砂矿床中有用矿物（或有用组分）的含量、分布规律及回收性能而进行的采样工作。
随便看	community ecology community education community education services community elderly care community elderly service facilities community elite community emergency plan community emergency preparedness community emergency response capacity community emergency response team community employment Community environmental management community environmental roundtable meeting community evolution community facility Community Failure community fluctuation community forestry community for the aged community governance community governance on poverty alleviation centralized settlement Community Granaries community head community health-care system community health education

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。