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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。
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Punctuated-Equilibrium Model
punctuated equilibrium paradigm
punctuated-equilibrium theory
punctuation
punctuation and criticism
punctuation marks
punctuation symbol
punctum
puncture
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punctured
punctured ball
punctured code
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punctured disc
punctured manifold
punctured plane
punctured projective line
punctured set
punctured space
punctured sphere
Pune
Punga Mare
pungi
Punic civilization
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