“mining and metallurgy in ancient China”的概念、定义、翻译、参考文献-科学参考

单词	mining and metallurgy in ancient China
释义	mining and metallurgy in ancient China 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	relay condenser relay-contact circuit relay-contact network relay-contact scheme relay control relayed correlation spectroscopy relay expansion module relay interpreting relay lens relay of summer Paralympic Games relay of Summer Paralympics relay optics relay orienteering relay protection device relay protection of hydro-generator and transformer unit relay protection of hydropower station relay protection of power system relay protection of power systems relay protection of pumped storage power generator/motor relay protection of the thermal power plant relay protection tester relay protection test of power system relay protection type test relay race relay race of Summer Special Olympics

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