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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。

external cuneiform external cuneiform bone external current external customer external cuticle
external cycloidal gear external cylinder external cylindrical grinder external cylindrical grinding machine external DAC
external (Darlington 1937) external data external data access external database external data bus
external data controller{=EXDC} external data file external data item external data record external data representation{=XDR}
external data structure external debt External Debt external decimal external defined symbol
external degree external delay external delay{=ED} external delay time external delustering
external demand external dendritic organ external deposit external depreciation external design
external desuperheater external device address external device code{=EDC} external device communication external device control
external device control word{=EDCW} external device data flow external device{=EXD} external device instruction external device interrupt
external device operand external device operation code external device response external device start external device status
external diameter external diameter; outside diameter external diameter size external diffusion external dimension
external direction external direct sum external disabled state external disabled time external diseconomy
External diseconomy external disk external distance external distraction external disturb
external disturbance external division point external document external domain external dose
external double bond external drag external drive external drive kit External dynamics
external ear External ear external earphone External economics of scale External economies
external economies external economy External economy external edge angle External effect
external effect on decay constant external efficacy external efficiency external electric external electric field
external electric power supply external electrode discharge lamp external electrode fluorescent lamp external electrode fluorescent lamp{=EEFL} external electrode lamp
external electrode layer external electrode terminal external electromagnetic wave external electronic device external electronic switch
external electro-optical modulation external element external emitter resistance external emitter resistance, emitter series resistance external endodermis
external energizer external energy external energy extinguishing chamber external energy interrupter External entity
external entity external environment external epigastric artery external equipment external equity
external error external eruption external evaluation external event detection module{=EEDM} external event module
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