a level 数学

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1、数学词汇英汉对照add，plus加subtract减difference差multiply,times乘product积divide除divisible可被整除的dividedevenly被整除dividend被除数，红利divisor因子，除数quotient商remainder余数factorial阶乘power乘方radicalsign,rootsign根号roundto四舍五入tothenearest四舍五入union并集propersubset真子集solutionset解集algebr

2、aicterm代数项liketerms,similarterms同类项numericalcoefficient数字系数literalcoefficient字母系数inequality不等式triangleinequality三角不等式range值域originalequation原方程equivalentequation同解方程，等价方程linearequation线性方程properfraction真分数improperfraction假分数mixednumber带分数vulgarfraction，commo

3、nfraction普通分数simplefraction简分数complexfraction繁分数numerator分子denominator分母(least)commondenominator（最小）公分母decimalfraction纯小数infinitedecimal无穷小数recurringdecimal循环小数tenthsunit十分位arithmeticmean算术平均值weightedaverage加权平均值geometricmean几何平均数exponent指数，幂base乘幂的底数,底边cub

4、e立方数，立方体squareroot平方根cuberoot立方根commonlogarithm常用对数digit数字constant常数variable变量inversefunction反函数complementaryfunction余函数linear一次的，线性的factorization因式分解absolutevalue绝对，roundoff四舍五入微积分第一章函数与极限Chapter1FunctionandLimit集合set元素element子集subset空集emptyset并集union交集inter

5、section差集differenceofset基本集basicset补集complementset直积directproduct笛卡儿积Cartesianproduct开区间openinterval闭区间closedinterval半开区间halfopeninterval有限区间finiteinterval区间的长度lengthofaninterval无限区间infiniteinterval领域neighborhood领域的中心centreofaneighborhood领域的半径radiusofaneighborhood左领域leftne

6、ighborhood右领域rightneighborhood映射mappingX到Y的映射mappingofXontoY满射surjection单射injection一一映射one-to-onemapping双射bijection算子operator变化transformation函数function逆映射inversemapping复合映射compositemapping自变量independentvariable因变量dependentvariable定义域domain函数值valueoffunction函数关系functionrela

7、tion值域range自然定义域naturaldomain单值函数singlevaluedfunction多值函数multiplevaluedfunction单值分支one-valuedbranch函数图形graphofafunction绝对值函数absolutevalue符号函数sighfunction整数部分integralpart阶梯曲线stepcurve当且仅当ifandonlyif(iff)分段函数piecewisefunction上界upperbound下界lowerbound有界boundedness无界unbounded函数

8、的单调性monotonicityofafunction单调增加的increasing单调减少的decreasing单调函数monotonefunction函数的奇偶性parity