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。

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direct connected meter	direct-connected motor	direct-connected turbogenerator	direct connection	direct connections
direct connection system	direct connect modem	direct contact	direct contact brake	direct contact condenser
direct-contact copy	direct contact desulfurization	direct contact distillation process	direct contact heat exchanger	Direct contact method
direct contact test	direct contact type	direct contamination	direct contractor	direct contributing factor
Direct control	direct control	direct control auto-gyro	direct control bus in{=DCBI}	direct control bus out{=DCBO}
direct control channel{=DCC}	direct control connection	direct control gearbox	direct control hold in{=DCHI}	direct controlled system
direct control microprogram	direct control oriented language	direct control transmission	direct conversation	Direct conversion
direct conversion	Direct conversion mixer	direct-conversion plant	direct conversion reactor	direct conversion receiver
direct conversion receivers	direct conversion transmitter	direct converter	direct-cooled bar	direct cooled winding
direct cooling	direct-cooling boiling water reactor	direct copper plating	direct correlation	direct correlation function
direct cost	direct costing	direct costs of a cost object	direct (cotton) dye	direct count
direct counterpropaganda	direct-coupled	direct-coupled amplifier	direct coupled amplifier	direct coupled capacitor commutation