“period measure”概念、定义、翻译-科学时代

单词	period measure
释义	人口学词汇手册 period measure 时期标准
随便看	orientation orientation orientation orientation orientation orientation orientation orientation orientation orientation orientation orientation orientation orientation accuracy orientational entropy orientational instrument orientational other orientational thinking orientation camera orientation chart orientation connection survey orientation disorder orientation distribution function orientation effect orientation effect

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。