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科学时代收录了1160609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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free body free-body diagram free border free-bound absorption free boundary
free boundary free boundary free boundary flow free-bound emission free-bound transition
FreeBSD FreeBSD free burning cannel free burning coal free call number
free call number free capital free carrier free carrier free carrier
free carrier free carrier absorption free carrier absorption free carrier (FCA) free carrier--free carrier (FCA)
free cash flow free cash flow free cash flow free cash flow free cash flow (FCF)
free cash flow per share free catalogue free cell free central placenta free charge
free charge free-choice diet free-choice feeding free-choice system free church
Free Church Federation Free Church of Scotland free circulation free circulation free collective bargaining
free combination free commodity free companion free competition free competition
free competition free composition free convection free convection free convection
free convection free convection free convection level free convertibility free convertibility
free cooling free copy free copy free copy free coursing
free cross-pollinated cultivar free cross-pollinated plant free currency free currency free currency
free currency free currency free currency free cutting alloy free cutting brass
free cutting property free cyanide free delivered free delivered price free delivery
free delivery free delivery free delivery price Free Democratic Party free depot
free depreciation free destination free diffusion free discharge free discharge
free discharge free discharge free discharge (F.D.) free discharge--free discharge (F.D.) free disk block management
free dispatch free dispatch free distance free distribution free distribution
free distribution free distribution free district free district free docks
freedom freedom freedom fighter freedom from fear freedom from something
freedom from taxation freedom from want free domicile freedom of academic instruction freedom of access to information
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