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：

Upeneus sundaicus (Bleeker，1855)	Upeneus taeniopterus Cuvier，1829	Upeneus tragula	Upeneus tragula Richardson，1846；bar-tailed goat-fish，black spotted goatfish	Upeneus vittatus
Upeneus vittatus (Forsskål，1775)；bar-tailed goat-fish，yellow banded goatfish	Upeneus xanthogrammus Gilbert，1892	uperization	uperized milk	uperizer
Upernivik	upfaulted	upfaulted block	upflow	upflow anaerobic sludge bed (UASB)
upflow angle	upflow coagulation	upflow column	upflow contact clarifier	up-flow fraction
upflow sedimentation basin	up fold	upfold	upfront controller	up-front service
up full	up gear	upglide cloud	upglide motion	upglide surface
UPGMA	upgoing reflection	upgoing wave	upgoing wavefront	upgradability
upgrade	up-grade	upgradeability	upgradeable set-top box	upgraded position
up-grade hill	upgrade renewal	upgrade set	upgrade training	upgradient
upgradient flux	upgradient transport	Up-grading	upgrading	up-grading
Upgrading customers	upgrading portable computer	upgrading procedure	upgrading program	upgrading programs
upgrading stream	upgrowth	uphaul	upheaval	upheaval island