“atomic valency”概念、定义、翻译-科学时代

单词	atomic valency
释义	化工词汇手册 atomic valency 原子价，化合价
随便看	population map population map population mathematics population mean population mean population mean population migration population migration population model population model population modeling population momentum population mortality table population movement population of agricultural villages population of city districts population of high growth potential population of incipient decline population of minority nations population of samples population of stars population of transitional growth population optimum population parameter population parameter

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。