“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	f incrementing path f-incrementing path f-incrementing path; f-augmenting path find finder finder chart finder of silver halide film type camera finderscope finder telescope finding finding chart finding list Finding Nemo finding replacements for vacant places in soldiery Finding Resources for the Motherland find meteorite Fine fine fine adjustment fine analysis fine art Fine Art Photography Fine Art photography Fine Arts Museum in Xi’an Academy of Fine Arts Fine Arts teaching method

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。