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科学参考收录了1248194条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。

upper bounding method upper bound method upper bound of symbol upper bound solution upper bound theorem
upper brace upper bracket upper-bracket upper bracket-arm upper brake shaft bearing
upper branch upper branch of meridian upper breast upper brick paving upper bridge
upper bunk upper buoyancy chamber upper byte upper cage upper calender
upper Cambrian series upper canopy upper canvases upper cap upper cap nut
Upper Carboniferous upper Carboniferous series upper case upper case (plenum) upper central series
upper chain upper chamber upper change point upper cheek tooth upper chord
upper chromosphere upper circle upper clamp upper class upper clearance
upper cloud upper cloud point upper clutch upper coil upper cold front
upper colonnade upper communication antenna upper conductor upper confining bed upper connecting rod
upper consolute temperature upper contact upper control arm upper control limit upper cord bracing
upper cord member upper core plate upper core support barrel upper couch (roll) upper course
upper cover upper cover plate upper crankcase Upper Cretaceous upper Cretaceous series
upper critical upper critical cooling rate upper critical cooling velocity upper critical solution temperature upper crown-length
upper crown wheel upper crust upper culmination upper curtate upper curve
upper cut upper cut-off frequency upper cyclone upper cylinder bore wear upper cylinder half
upper cylinder lubrication upper (dead) center upperdeck upper deck upper-deck cabin
upper deck charge upper-deck hold upper decking level upper deck of bridge upper deck (双层公共汽车的)
upper dee upper dental arch upper derivate upper derivative upper derived function
upper deviation upper Devonion series upper die plate upper differential coefficient upper dimension bound
upper discharge upper drum upper drum assembly upper edge upper elastic limit
upper elevator screw bushing upper end upper end buoy upper end cover upper end of evaporator
upper end of reach upper end of the schedular system upper end-shield upper entry upper envelope
upper epidermis upper erengy band upper estimate upper extreme upper extreme point
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