“four fractions”的概念、定义、翻译、参考文献-科学参考

单词	four fractions
释义	four fractions Encyclopedia 工学原油评价释 four fractions四组分重质油品中饱和烃、芳香烃、胶质和沥青质四个族组分。其含量用质量分数表示。
随便看	symmetric stable process symmetric storage virtualization symmetric successive overrelaxation method symmetric system symmetric tensor symmetric tensor field symmetric test symmetric top symmetric transformation symmetric variety symmetric wave function symmetric W-surface symmetrizability symmetrizable symmetrizable endomorphism symmetrizable integral equation symmetrizable kernel symmetrizable matrix symmetrizable space symmetrizable topological space symmetrization symmetrization method symmetrization operator symmetrization principle symmetrized

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。