请输入您要查询的字词:
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
standard for stability against sliding of hydraulic structures
standard for terminology of heating,ventilation and air conditioning
standard for thermal power plants
Standard for the Scheme of Chinese Phonetice Alphabet Input with Universal Keyboard GF 3006—2001
standard for the use of nutritional fortifier in foods
standard for traffic speed
Standard for Weather Data of Building Energy Efficiency
standard frequency
standard frequency and time signal
standard function
standard Gaussian distribution
Standard Generalized Markup Language
standard general markup language
standard general markup language, SGML
standard generator
standard glass for Gardner color scale
standard glass for rosin color scale
standard gray card
standard Gray Cards
standard group
Standard Handwriting Manual (Taiwan Region of China)
standard heat of combustion
standard heat of formation
standard height
standard hydrogen electrode
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2025/4/11 1:47:40