“中国古代矿冶业”的概念、定义、翻译、参考文献-科学参考

单词	中国古代矿冶业
释义	中国古代矿冶业 Encyclopedia 工学中国古代矿冶业释 mining and metallurgy in ancient China中国古代矿冶业中国古代金属矿产的开采和冶炼活动。主要是金、银、铜、铁、锡、铅、锌、汞八种金属的生产。有关古代矿冶业的文献记载，早期仅有产地而无产量。《新唐书·食货志》首次记载全国银、铜、铁、锡的年收入量。历代文献中的年收入量并不等于年产量，而往往是税收量、征集量、官营矿冶产量等。
随便看	calculating equivalent calculating frame calculating machine calculating method of source of financing of health expenditure calculating methods on the economic loss of fishery pollution accidents calculating rule calculatio and analysis of wind power plant grid interation calculation calculation experiment of mega projects organization calculation map of reserves calculation methods of free energy calculation method with abacus calculation of cleanroom calculation of displacement calculation of environmental flow in streams calculation of hydraulic transients calculation of mine ventilation quantity calculation of pollution carrying capacity on water function zone calculation of possible sunshine by outline shading diagram calculation of reserves calculation of river surface profile calculation of uranium content by delayed fission neutron logging calculation of uranium content by prompt fission neutron logging calculation of uranium content by uranium gamma-ray logging calculation of uranium reserves by gamma-ray logging

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。