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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
    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’.
TOEFL IELTS BNC: 2458 COCA: 3982
equation

noun¹

1mathematical statement數學表達式ADJECTIVE | VERB + EQUATION | PREPOSITION | PHRASES ADJECTIVEbasic, simple基本/一次方程This can be shown by a simple equation.這個可以用一個一次方程來表示。complex, complicated複方程;複雜的方程algebraic, math, mathematical代數方程式;數學方程式differential, quadratic, simultaneous, etc.微分、二次、聯立等方程式VERB + EQUATIONsolve, work out解出方程式I could not find a way of solving the equation.我不知道該怎麼解這個方程。derive, obtain推導/列出方程The ideal gas equation is derived from this model.理想氣體方程是由這一模型推導出來的。satisfy符合方程式the range of values of x which would satisfy this equation能符合這個方程式的 X 值範圍balance平衡方程式write列方程式PREPOSITIONequation for有關⋯的等式the equation for a straight line直線方程式PHRASESa side of the equation等式的一邊the numbers on the right-hand side of the equation等式右邊的數字
equation

noun²

2situation考慮的問題VERB + EQUATIONbe a part of, come into, enter, enter into構成一部份因素;成為一部份因素The availability of water is also part of the equation.是否有水可用也是要考慮的因素之一。Money also comes into the equation.還要顧及金錢因素。
TOEFL IELTS BNC: 2458 COCA: 3982
TOEFL IELTS BNC: 2458 COCA: 3982
equation
Chemical reactions and processes: action, adsorb, aerate...
Comparison and comparisons: comparison, perspective, parallel...

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