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TOEFL IELTS BNC: 2458 COCA: 3982

equation

noun
 
/ɪˈkweɪʒn/
/ɪˈkweɪʒn/
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  1.  
    [countable] (mathematics数学) a statement showing that two amounts or values are equal, for example 2x + y = 54方程；方程式；等式
    • the numbers on the right-hand side of the equation等式右边的数字
    • the equation for a straight line直线方程式
    see also differential equation, wave equation
    Wordfinder
    Extra Examples
    • The ideal gas equation is derived from this model.理想气体方程是由这一模型推导出来的。
    • This can be shown by a simple equation.这个可以用一个一次方程来表示。
    • the range of values of ξ which would satisfy this equation满足这个方程的ξ值的范围
    Topics Maths and measurementc1
    Oxford Collocations Dictionaryadjective
    • basic
    • simple
    • complex
    • …
    verb + equation
    • solve
    • work out
    • derive
    • …
    preposition
    • equation for
    phrases
    • a side of the equation
    See full entry
  2.  
    [uncountable, singular] the act of making something equal or considering something as equal (= of equating them)相等；等同看待
    • The equation of wealth with happiness can be dangerous.把财富与幸福等同起来可能是危险的。
  3.  
    [countable, usually singular] a problem or situation in which several things must be considered and dealt with（多种因素的）平衡，综合体
    • When children enter the equation, further tensions may arise within a marriage.有了孩子以后，可能会使夫妻关系更加紧张。
    • Money also comes into the equation.还要顾及金钱因素。
    • The availability of public transport is also part of the equation.公共交通的便利也是考虑因素之一。
    Oxford Collocations Dictionaryverb + equation
    • be a part of
    • come into
    • enter
    • …
    See full entry
    4. Word Originlate Middle English: from Latin aequatio(n-), from aequare ‘make equal’, from aequus ‘even, level, equal’.

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