“optimum gradation”概念、定义、翻译-科学时代

单词	optimum gradation
释义	市政工程词汇手册 optimum gradation 最佳级配
随便看	survivorship annuity survivorship benefit survivorship curve survivorship curve survivorship function survivor technique Surya SUS Susan Susan--Glaspell suscept susceptance susceptance susceptance susceptance relay susceptibility susceptibility susceptibility susceptibility susceptibility susceptibility susceptibility susceptibility susceptibility susceptibility

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。

optimum gradation