“原油分类”的概念、定义、翻译、参考文献-科学参考

单词	原油分类
释义	原油分类 Encyclopedia 工学原油评价释 classification of crude oils原油分类为了达到某个特定的应用目的，根据原油的某种性质将不同的原油进行区别。工学原油分类释 classification of crude oil原油分类根据原油的组成，对原油进行分类。
随便看	language safety language sampling language school language selection rules language sense language services language shift Language Situation in China languages of Gaoshan nationality languages of the world language spread language standardization language status planning language strategy language substitution language substratum language supertratum language system/institution language taboo Language Teaching Language Teaching and Linguistic Studies Language Teaching Research Language Testing Language Testing Research Colloquium language transfer

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。