“天然沥青”的概念、定义、翻译、参考文献-科学参考

单词	天然沥青
释义	天然沥青 Encyclopedia 工学天然沥青释 natural bitumen天然沥青特殊地质结构中的石油，在自然条件下经历千百万年时间，在温度、压力等外环境综合作用下氧化聚合而成的沥青类物质。通常为固体或者黏稠状。 Chemistry ＞能源化学＞石油＞释义 native asphalt天然沥青
随便看	Selection of Yu Shuyan and Meng Xiaodong Aria selection Operator selection parameter selection pressure selection procedure selection response selection restriction selection rule selection set Selections of Classical Writings by Type Selections of the Five-character rhythm poems of the Tang Dynasty selection sort selection statistic selection theorem selection tree selection with arbitrary probability selection with equal probability selective selective absorption selective absorption coefficient selective absorption colored optical glass selective absorption of plant nutrients selective actinide extraction process selective angiography selective area epitaxy

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。