“定期要求”概念、定义、翻译-科学时代

单词	定期要求
释义	图书馆、情报与文献学词汇手册定期要求 periodical requirement
随便看	Electronic Code Book electronic codebook Electronic Code Book (ECB) electronic codebook (ECB) Electronic Code Book--Electronic Code Book (ECB) electronic codebook--electronic codebook (ECB) electronic colour retouching electronic colour scanner electronic commerce electronic commerce electronic commerce electronic commerce electronic commerce electronic commerce electronic commerce electronic commerce electronic commerce (EC) electronic commerce (EC) electronic commerce (e-commerce) electronic commerce (e-commerce) electronic commerce--electronic commerce (EC) electronic commerce--electronic commerce (EC) electronic commerce modeling language electronic commerce modeling language (ECML) electronic commerce modeling language (ECML)

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。