“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	wood gas wood gasification wood handling wood high-frequency drying wood high yield pulping Woodhouse wood hydrolysis Woodin cardinal wood inlay woodland expectation price method Woodleigh crater wood liquefaction wood-male ferns wood market wood mechanical pulping wood-metal composites wood modification wood natural drying wood natural seasoning Wood of Shinyleaf Yellowhorn wood painting wood parenchyma wood particle dryer Wood photometry wood-plastic boards

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。