“valid”概念、定义、翻译-科学时代

单词	valid
释义	测绘学词汇手册 valid 有效值
随便看	supervising sound editor supervising sound effects editor supervising teacher supervision supervision supervision supervision supervision supervision supervision and protection supervision fee supervision of freight traffic revenues supervision of residence supervision on implementation of standards supervision order supervisor supervisor supervisor supervisor supervisor supervisor supervisor supervisor supervisor appraisal supervisor appraisal

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。