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科学参考收录了60776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。

universal gas constant universal generalization universal grammar universal gravitational constant universal indicator
universal instantiation universalism in ethics universality universalizability universal kriging
universal language universal machine universal motor Universal Product Code universal proposition
Universal Protein Resource universal quantifier universal quasi-chemical universals universal serial bus
universal set universal shunt universal soil loss equation Universal Time Universal Time Coordinated
Universal Transverse Mercator universal Turing machine Universe universe universe of discourse
Universities Space Research Association University International Formation Mission-1 univibrator univocal UNIX
unknot unknown unknown host unlimited liability Unlisted Securities Market
unloading unloading joint unlock unmarshalling unmoderated newsgroup
unmoved mover unnil- unofficial economy unordered tree UNOX process
unpack unpaid labour Unrepresented Nations’ and Peoples’ Organization Unruh effect unsaturated
unsaturated model unsaturated zone unsaturation index unscheduled maintenance unsecured loan
unshielded twisted pair unshielded twisted pair cable unsigned unskilled work unsolvable
unsorted biosparite unstable unstable equilibrium unstable oscillation unsteady flow
unsteady state unsterilized intervention unstructured model unstructured packing unsubscribe
unsupervised learning Unsöld’s theorem untied aid unwind unzip
UOD UP up Upanishads UPC
upconvert update bot updraft uphole survey uphole time
upline uplink upload up operation Upper and Lower Canada
upper atmosphere Upper-Atmosphere Research Satellite upper bound upper critical temperature upper culmination
upper flammable limit upper limit Upper Palaeolithic upper percentage point upper quartile
upper sideband upper-tail probability upper triangular matrix upregulation upright fold
UPS upsampling upset Upsilon Sagittarii star upslope fog
upstream upthrow upthrust uptime Upton Warren
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