AMC8配套数学名词中英文对照表.docx

Aabbreviation简写符号；简写absolute error 绝对误差absolute value 绝对值accuracy准确度acute angle 锐角acute-angled triangle 锐角三角形add加addition 加法addition formula 力口法公式addition law加法定律addition law（of probability）（概率）加法定律additive property 可力口性adjacent angle 邻角adjacent side 邻边algebra 代数algebraic代数的algebraic equation 代数方程algebraic expression 代数式algebraic fraction代数分式；代数分数式algebraic inequality 代数不等式algebraic operation 代数运算alternate angle （交）错角alternate segment 交错弓形altitude高；高度；顶垂线；高线ambiguous case两义情况；二义情况amount本利和；总数analysis 分析；解析analytic geometry 解析几何angle 角angle at the centre 圆心角angle at the circumference 圆周角angle between a line and a plane 直 与平面的交角angle between two planes 两平面的交角angle bisection 角平分angle bisector角平分线 ；分角线angle in the alternate segment 交错弓形的圆周角angle in the same segment同弓形内的圆周角angle of depression 俯角angle of elevation 仰角angle of greatest slope 最大斜率的角angle of inclination 倾斜角angle of intersection 相交角； 交角angle of rotation 旋转角angle of the sector 扇形角angle sum of a triangle 三角形内角和angles at a point 同顶角annum（X% per annum）年（年利率 X% ） anti-clockwise direction 逆时针方向；返时针 方向anti-logarithm逆对数；反对数anti-symmetric 反对称apex顶点approach 接近； 趋近approximate value 近似值approximation 近似； 略计； 逼近Arabic system阿刺伯数字系统arbitrary 任意arbitrary constant 任意常数arc弧arc length 弧长arc-cosine function 反余弦函数arc-sin function 反正弦函数arc-tangent function 反正切函数area面积arithmetic 算术arithmetic mean算术平均；等差中顶；算术 中顶arithmetic progression 算术级数；等差级数arithmetic sequence 等差序列arithmetic series 等差级数arm边arrow前号ascending order 递升序ascending powers of X X 的升哥associative law 结合律assumed mean假定平均数assumption 假定；假设average平均；平均数；平均值average speed平均速率axiom公理axis 轴axis of parabola抛物线的轴axis of symmetry 对称轴Bback substitution 回代bar chart棒形图；条线图；条形图；线条图base （1）底；（2）基；基数base angle 底角base area 底面base line 底线base number底数；基数base of logarithm 对数的底bearing方位（角）；角方向（角）bell-shaped curve 钟形图bias偏差；偏倚billion 十亿binary number 二进数binary operation 二元运算binary scale 二进法binary system 二进制binomial 二项式binomial expression 二项式bisect平分；等分bisection method分半法；分半方法bisector等分线 ；平分线boundary condition 边界条件boundary line 界（线）；边界bounded有界的bounded above有上界的；上有界的bounded below有下界的；下有界的bounded function 有界函数brace大括号bracket 括号breadth 阔度broken line graph 折线图Ccalculation 计算calculator计算器；计算器cancel消法；相消canellation law 消去律capacity 容量Cartesian coordinates 笛卡儿坐标Cartesian plane笛卡儿平面category类型；范畴central line 中线central tendency 集中趋centre中心；心centre of a circle 圆心centroid形心；距心certain event必然事件chance机会change of base 基的变换change of subject 主项变换change of variable 换元； 变量的换chart图；图表checking 验算chord 弦chord of contact 切点弦circle 圆circular圆形；圆的circular function 圆函数；三角函数circular measure 弧度法circumcentre外心；外接圆心circumcircle 外接圆circumference 圆周circumradius 外接圆半径circumscribed circle 外接圆class区；组；类class boundary 组界class interval组区间；组距class limit组限；区限class mark 组中点； 区中点classification 分类clnometer测斜仪clockwise dirction 顺时针方向closed convex region 闭凸区域closed interval 闭区间coefficient 系数coincide 迭合； 重合collection of terms 并项collinear 共线collinear planes 共线面column (1)歹U;纵行；(2)柱combination 组合common chord 公弦common denominator 同分母；公分母common difference 公差common divisor 公约数； 公约common factor 公因子；公因子common logarithm 常用对数common multiple 公位数；公倍common ratio 公比common tangetn 公切commutative law 交换律comparable可比较的compass 罗盘compass bearing罗盘方位角compasses 圆规compasses construction 圆规作图 complement 余；补余 complementary angle 余角 complementary event 互补事件 complementary probability 互补概率 completing the square 配方 complex number 复数 complex root 复数根composite number复合数；合成数compound bar chart 综合棒形图compound discount 复折扣compound interest 复禾 1;复禾U息 computation 计算computer计算机；电子计算器concave 凹concave downward 凹向下的Ddata数据decagon十边形decay衰变decay factor衰变因子decimal 小数decimal place 小数位decimal point 小数点decimal system 十进制decrease 递减decreasing function递减函数；下降函数 decreasing sequence 递减序歹U; 下降序歹U decreasing series递减级数；下降级数 decrement 减量 deduce演绎 deduction 推论deductive reasoning 演绎推理definite确定的；定的distance品巨离distance formula 品巨离公式distinct roots 相异根distincr solution 相异解distribution 公布distrivutive law 分配律divide 除dividend (1)被除数；(2)股息divisible可整除division 除法division algorithm 除法算式divisor除数；除式；因子divisor of zero 零因子dodecagon 十二边形dot点double root 二重根due east/ south/ west /north 向 东/南/西/北definiton 定义degree ⑴度；(2)次degree of a polynomial 多项式的次数degree of accuracy 准确度degree of precision 精确度delete删除；删去denary number 十进数denary scale 十进法denary system 十进制denominator 分母dependence (1)相关；(2)应变dependent event(s)相关事件； 相依事件； 从属事件dependent variable 应变量；应变数depreciation 折旧descending order 递降序descending powers of X X 的降序detached coefficients 分离系数(法)deviation偏差；变差deviation from the mean 离均差diagonal 对。