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abbreviation简写符号；简写abscissa横坐标absolutecomplement绝对补集absoluteerror绝对误差absoluteinequality绝不等式absolutemaximum绝对极大值absoluteminimum绝对极小值absolutemonotonic绝对单调absolutevalue绝对值accelerate加速acceleration加速度accelerationduetogravity重力加速度;地心加速度accumulation累积accumulative累积的accuracy准确度acton施于action作用;作用力acuteangle锐角acute-angledtriangle锐角三角形add加addition加法additionformula加法公式additionlaw加法定律additionlaw(ofprobability)（概率）加法定律additiveinverse加法逆元;加法反元additiveproperty可加性adjacentangle邻角adjacentside邻边algebra代数algebraic代数的algebraicequation代数方程algebraicexpression代数式algebraicfraction代数分式；代数分数式algebraicinequality代数不等式algebraicnumber代数数algebraicoperation代数运算algebraicallyclosed代数封闭algorithm算法系统;规则系统alternateangle（交）错角alternatesegment内错弓形alternatingseries交错级数alternativehypothesis择一假设;备择假设;另一假设altitude高；高度；顶垂线；高线ambiguouscase两义情况；二义情况amount本利和；总数analysis分析；解析analyticgeometry解析几何angle角angleatthecentre圆心角angleatthecircumference圆周角anglebetweenalineandaplane直与平面的交角anglebetweentwoplanes两平面的交角anglebisection角平分anglebisector角平分线；分角线angleinthealternatesegment交错弓形的圆周角angleinthesamesegment同弓形内的圆周角angleofdepression俯角angleofelevation仰角angleoffriction静摩擦角;极限角angleofgreatestslope最大斜率的角angleofinclination倾斜角angleofintersection相交角；交角angleofprojection投射角angleofrotation旋转角angleofthesector扇形角anglesumofatriangle三角形内角和anglesatapoint同顶角angulardisplacement角移位angularmomentum角动量angularmotion角运动angularvelocity角速度annum(X%perannum)年（年利率X%）anti-clockwisedirection逆时针方向；返时针方向anti-clockwisemoment逆时针力矩anti-derivative反导数;反微商anti-logarithm逆对数；反对数anti-symmetric反对称apex顶点approach接近；趋近approximatevalue近似值approximation近似；略计；逼近Arabicsystem阿刺伯数字系统arbitrary任意arbitraryconstant任意常数arc弧arclength弧长arc-cosinefunction反余弦函数arc-sinfunction反正弦函数arc-tangentfunction反正切函数area面积Arganddiagram阿根图,阿氏图argument(1)论证;(2)辐角argumentofacomplexnumber复数的辐角argumentofafunction函数的自变量arithmetic算术arithmeticmean算术平均；等差中顶；算术中顶arithmeticprogression算术级数；等差级数arithmeticsequence等差序列arithmeticseries等差级数arm边array数组;数组arrow前号ascendingorder递升序ascendingpowersofXX的升幂assertion断语;断定associativelaw结合律assumedmean假定平均数assumption假定；假设asymmetrical非对称asymptote渐近asymptoticerrorconstant渐近误差常数atrest静止augmentedmatrix增广矩阵auxiliaryangle辅助角auxiliarycircle辅助圆auxiliaryequation辅助方程average平均；平均数；平均值averagespeed平均速率axiom公理axiomofexistence存在公理axiomofextension延伸公理axiomofinclusion包含公理axiomofpairing配对公理axiomofpower幂集公理axiomofspecification分类公理axiomatictheoryofprobability概率公理论axis轴axisofparabola拋物线的轴axisofrevolution旋转轴axisofrotation旋转轴axisofsymmetry对称轴backsubstitution回代barchart棒形图；条线图；条形图；线条图base（1）底；（2）基；基数baseangle底角basearea底面baseline底线basenumber底数；基数baseoflogarithm对数的底basis基Bayes′theorem贝叶斯定理bearing方位（角）；角方向（角）bell-shapedcurve钟形图belongto属于Bernoullidistribution伯努利分布Bernoullitrials伯努利试验bias偏差；偏倚biconditional双修件式;双修件句bijection对射;双射;单满射bijectivefunction对射函数;只射函数billion十亿bimodaldistribution双峰分布binarynumber二进数binaryoperation二元运算binaryscale二进法binarysystem二进制binomial二项式binomialdistribution二项分布binomialexpression二项式binomialseries二项级数binomialtheorem二项式定理bisect平分；等分bisectionmethod分半法；分半方法bisector等分线；平分线Booleanalgebra布尔代数boundarycondition边界条件boundaryline界（线）；边界bounded有界的boundedabove有上界的；上有界的boundedbelow有下界的；下有界的boundedfunction有界函数boundedsequence有界序列brace大括号bracket括号breadth阔度brokenlinegraph折线图calculation计算calculator计算器；计算器calculus(1)微积分学;(2)演算cancel消法；相消canellationlaw消去律canonical典型;标准capacity容量cardioid心脏Cartesiancoordinates笛卡儿坐标Cartesianequation笛卡儿方程Cartesianplane笛卡儿平面Cartesianproduct笛卡儿积category类型；范畴catenary悬链Cauchysequence柯西序列Cauchy′sprincipalvalue柯西主值Cauchy-Schwarzinequality柯西-许瓦尔兹不等式centrallimittheorem中心极限定理centralline中线centraltendency集中趋centre中心；心centreofacircle圆心centreofgravity重心centreofmass质量中心centrifugalforce离心力centripedalacceleration向心加速度centripedalforceforce向心力centroid形心；距心certainevent必然事件chainrule链式法则chance机会changeofaxes坐标轴的变换changeofbase基的变换changeofcoordinates坐标轴的变换changeofsubject主项变换changeofvariable换元；变量的换characteristicequation特征(征)方程characteristicfunction特征(征)函数characteristicoflogarithm对数的首数;对数的定位部characteristicroot特征(征)根chart图；图表checkdigit检验数位checking验算chord弦chordofcontact切点弦circle圆circular圆形；圆的circularfunction圆函数；三角函数circularmeasure弧度法circularmotion圆周运动circularpermutation环形排列;圆形排列;循环排列circumcentre外心；外接圆心circumcircle外接圆circumference圆周circumradius外接圆半径circumscribedcircle外接圆cissoid蔓叶class区；组；类classboundary组界classinterval组区间；组距classlimit组限；区限classmark组中点；区中点classicaltheoryofprobability古典概率论classification分类clnometer测斜仪clockwisedirection顺时针方向clockwisemoment顺时针力矩closedconvexregion闭凸区域closedinterval闭区间coaxial共轴coaxialcircles共轴圆coaxialsystem共轴系codeddata编码数据codingmethod编码法co-domain上域coefficient系数coefficientoffriction摩擦系数coefficientofrestitution碰撞系数;恢复系数coefficientofvariation变差系数cofactor余因子;余因式cofactormatrix列矩阵coincide迭合；重合collectionofterms并项collinear共线collinearplanes共线面collision碰撞column(1)列；纵行；(2)柱columnmatrix列矩阵columnvector列向量combination组合commonchord公弦commondenominator同分母；公分母commondifference公差commondivisor公约数；公约commonfactor公因子；公因子commonlogarithm常用对数commonmultiple公位数；公倍commonratio公比commontangent公切commutativelaw交换律comparable可比较的compass罗盘compassbearing罗盘方位角com