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科学时代收录了46211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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Umtali
Umtata
Un-American Committee
Unamuno y Jugo,Miguel de
uncertainty principle
Uncle Sam
unconscious
underground railways
underwing moth
underwriting
Undset,Sigrid
undulant fever
unemployment
UNESCO
Ungaretti,Giuseppe
Ungava
ungulate
uniat churches
UNICEF
unicorn
unidentified flying objects
Unification Church
unified field theory
UNIFIL
uniformitarianism
Uniformity,Acts of
Union of Soviet Socialist Republic
Union,Acts of
Unitarians
unitary authority
unitary symmetry
United Arab Emirates
United Arab Republic
United Fronts
United Irishmen,Society of
United Kingdom
United Nations
United Nations International Children’s Emergency Fund
United Provinces of the Netherlands
United States of America
unities
unit trust
Universal Decimal Classification
universal time
universe
universities
University of the Third Age
Unknown Warrior
unleaded Petrol
unlisted securities market
Upanishads
upas
Updike,John
Upolu
UpperVolta,Republic of
Uppsala
Ur
uraemia
Uralic Languages
Ural Mountains
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