“有心二次曲线”概念、定义、翻译-科学时代

单词	有心二次曲线
释义	数学词汇手册有心二次曲线 central quadric curve
随便看	grant grant grant grant grant aid grant-back clause grant date grant deed grantee grantee grantee grantee grantee grant-in-aid grant in aid grant-in-aid grant-in-aid grant-in-aid grant-in-aid grant in aid for housing grant-in-aid fund granting of franchise granting of increment granting of order grant-maintained

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。