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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Unfelt needs	unfenestrated capillary walls	unfermentable sugar	unfermented beverage	unfermented must
unfermented tea	unfermented wort	unfertilized egg	unfied model	unfigured bass
unfilled battery	unfilled can	unfilled level	unfilled order	unfilled shell
unfilmed tube	unfiltered	unfiltered annual forecast	unfiltered cost	unfiltered demand
unfiltered model	unfiltered water	unfinanced demand	unfinished	unfinished business
unfinished dimension	unfinished fastener	unfinished metal surface	unfinished product	unfinished surface
unfinished work	unfinished worsted	un-fired combined cycle unit	un-fired combined cycle with heat recovery steam generator{=HRSG}	unfired pressure vessel
unfirm closing	unfissioned material	unfit	unfitted	unfixable
unfixed-length coding	unfixed point	unflanged can	unflanged tube	unfledged chicken
unfocused laser	unfocused processing	unfocused synthetic antenna	unfocused synthetic array	unfold
unfolded protein response	unfolding	UNFOLDING	unfolding model of voluntary turnover	unfolding the dispersion equation
unforced distributed system	unforced fixed linear system	unforced network	unforeseen circumstance	unforgeable