A dynasty of emperors in early China, ruling territory to the north of the Yangtze River from 1122–221 bc. Their capital moved from Hao to Luoyang c.700 bc and during the Zhou Dynasty multiplication tables and iron casting were developed.
科学参考收录了60776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。