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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。

free turboprop engine free turbulence free turn free turning free type back-pack
free type parachute free union free user resources free valence free valency
free-variable free variable free variation free vector free vertex
free vertical movement free vibration FREE VIBRATION free vibration frequency free vibration mode
free vibration test Free villus free villus free volume free volume radius
free vortex free vortex compressor free vortex flow free walk freeware
Free water free water free water aquifer free water clearance free-water content
free water content of snow free water effect free water exchange zone free water level free-water level
free water surface free water surface effect free water surface evaporation free wave freeway
free way freeway schedule bus service free weapon free weir free wheel
free-wheel freewheel freewheel clutch free-wheel diode free wheeling
freewheeling freewheeling arm free-wheeling diode freewheeling member freewheeling unit
free wheel overrunning clutch free-wheel rectifier free wheel (roller)clutch free will Free will
free wind free-word painting free-word retrieval free working freeze
Freeze freeze air conditioning freeze-and-thaw freeze-and-thaw action freeze and thawing method
freeze brand freeze burn freeze-casting freeze coagulation freeze concentration
freeze dehydration freeze denaturation, freezer denaturation freeze dried freeze-dried demineralized bone (FDDB) freeze-dried food, frozen-dried food
freeze-dried method freeze-dried products freeze drier freeze drier, freeze dryer freeze-dry
freeze dry freeze dryer freeze dryer freeze-drying freeze drying
freeze drying closures for infusion bottles freeze drying machine freeze-drying method freeze-drying microtomy freeze etching
freeze-fracture freeze-fracture electron microscopy freeze fracture method freeze-fracture method freeze fracturing
freeze frame freeze-frame video freeze-free period freeze mode freeze-off time
freeze of gait freeze-out freeze-out method freeze-picture freeze-picture release
freeze picture request freeze point freeze point specifications freeze preservation freeze proof
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