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
terra-cotta figures of warriors and horses of the Han Dynasty unearthed at Xianyang
Terra-cotta Figurine of Mausoleum of First Emperor of Qin Dynasty
terra-cotta figurines in the Wanzhang Mausoleum of Ci County
terracotta figurines of opera performers and dancers excavated from the Mausoleums of the Southern Tang Dynasty
terra-cotta figurines of the Spring and Autumn period and the Warring States period
terracotta warriors and horses at Shizishan
Terra-cotta Warriors and Horses of Han Dynasty at Shizishan
Terra-cotta Warriors and Horses of Qin Dynasty
terraforming
terragraph
terrain
terrain aided navigateon system
terrain aided navigation system
terrain analysis
terrain avoidance radar
terrain contour matching algorithm
terrain contour matching technology
terrain correction
terrain elevation data matching system
terrain-following coordinate
terrain following radar
terrain matching guidance
terrain matching guidance system
terrain matching navigation
terrain modeling
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:2026/6/20 17:05:50