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：

personnel man {= PN}	personnel mine	personnel modification list	personnel monitor	personnel monitoring
personnel monitoring instrument	personnel office	personnel officer	personnel, operating	personnel operations information system{=POIS}
personnel order	personnel parachute	personnel policy	personnel processing center	personnel processing group
personnel procurement	personnel project	personnel protection	personnel psychology	personnel reaction time (nuclear)
personnel readiness date	personnel ready shelter	personnel recognition	personnel record	personnel recovery
personnel relations	personnel replacement charts	Personnel Resource ID	personnel roster	personnel-safety hazard
personnel screening	personnel section	personnel security	personnel security investigation	personnel selection
personnel selection research	personnel semitrailer	personnel services	personnel shelter	personnel signaling system
personnel stationing	personnel status report	personnel subsystem (PS)	personnel system	personnel tempo
personnel test	personnel testing	personnel training	personnel transfer	personnel transfer capsule
personnel transitional matrix	personnel transportation	personnel transportation capsule {=PTC}	personnel transportation capsule{=PTC}	personnel turn over
personnel utilization	personnel utilization research	personnel vulnerability condition	personnel）	personology