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：

plane position indication [= plane position indicator] {= PPI}	plane position indicator	plane position indicator (PPI)	plane position indicator{=PPI}	plane position indicator {=PPI}
plane; praerosion	plane probe	plane profile	plane progressive wave	plane projector
planer	plane rearming boat	plane rectangular coordinate	plane rectangular coordinates	plane rectangular coordinate system
plane reflection	plane reflector	plane refueller	plane rigging valve	planerite
Planerite	planer tool	planer type milling machine	PLANES	plane sailing
plane scarf	Planes cyaneus	plane section	plane separation	plane service boat
plane sifter	plane sinusoidal wave	plane slab	Planes major	plane; soaring
planes of easy slip	planes of stretching	plane solid	plane sound wave	plane source
planes switching	plane stock	plane strain	plane strain fracture	plane strain fracture toughness
Plane Stress	plane stress	plane stress fracture	plane stretch forming	plane structure
plane subsystem	plane support	plane support member	plane surface	plane survey
plane surveying	plane surveyor	plane switching	plane symbol	plane symmetrical structure