科学时代-面向大众传播科学知识、科学方法、科学精神和科学思想的科学普及平台。

科学时代收录了3405121条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

热门查询：

cleading	Cleadon	Cleady	clean	cleanability
clean acceptance	clean air	clean air act	Clean Air Act of 1955	Clean Air Act of 1967
Clean Air Act of 1970	clean aircraft	clean air delivery rate	clean air package	clean area
clean atmosphere	clean ballast	clean ballast capacity	clean ballast pump	clean ballast tank
clean ballast tank{=CBT}	clean ballast tank {= CBT}	clean ballast tank operation manual	clean ballast tank （CBT）	clean bench
clean bill	Clean bill	clean bill and documentary bill	clean bill of exchange	clean bill of lading
clean B/L	Clean-boled	clean bomb	clean boot	clean bottom
clean break	clean bubble chamber	clean cargo	clean carrier	clean charter
clean chemistry	clean coal combustion technology{=CCCT}	clean condition	clean (configuration) stall speed	clean content
clean copy	clean core	clean cultivation	clean cut	clean-cut separation
clean cut system	Clean-cutting method	clean cut，clean(ing) cutting，clearcut	clean data	clean development mechanism {= CDM}
clean distance	clean dry mass	cleaned coal	cleaned grain	clean energy