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;  等腰三角形isoscelestriangle

    等边三角形equilateraltriangle

    四边形quadrilateral

    平行四边形parallelogram

    矩形rectangle

    长length

    宽width

    周长perimeter

    面积area

    相似similar

    全等congruent

    三角trigonometry

    正弦sine

    余弦cosine

    正切tangent

    余切cotangent

    正割secant

    余割cosecant

    反正弦arcsine

    反余弦arccosine

    反正切arctangent

    反余切arccotangent

    反正割arcsecant

    反余割arccosecant

    补充:

    集合aggregate

    元素element

    空集void

    子集subset

    交集intersection

    并集union

    补集complement

    映射mapping

    函数function

    定义域domain,fieldofdefinition

    值域range

    单调性monotonicity

    奇偶性parity

    周期性periodicity

    图象image

    数列,级数series

    微积分calculus

    微分differential

    导数derivative

    极限limit

    无穷大infinite(a。)infinity(n。)

    无穷小infinitesimal

    积分integral

    定积分definiteintegral

    不定积分indefiniteintegral

    复数complexnumber

    矩阵matrix

    行列式determinant

    圆circle

    圆心centre(bre),center(ame)

    半径radius

    直径diameter

    圆周率pi

    弧arc

    半圆semicircle

    扇形sector

    环ring

    椭圆ellipse

    圆周circumference

    轨迹locus,loca(pl。)

    平行六面体parallelepiped

    立方体cube

    七面体heptahedron

    八面体octahedron

    九面体enneahedron

    十面体decahedron

    十一面体hendecahedron

    十二面体dodecahedron

    二十面体icosahedron

    多面体polyhedron

    旋转rotation

    轴axis

    球sphere

    半球hemisphere

    底面undersurface

    表面积surfacearea

    体积volume

    空间space

    双曲线hyperbola

    抛物线parabola

    四面体tetrahedron

    五面体pentahedron

    六面体hexahedron菱形rhomb,rhombus,rhombi(pl。),diamond

    正方形square

    梯形trapezoid

    直角梯形righttrapezoid

    等腰梯形isoscelestrapezoid

    五边形pentagon

    六边形hexagon

    七边形heptagon

    八边形octagon

    九边形enneagon

    十边形decagon

    十一边形hendecagon

    十二边形dodecagon

    多边形polygon

    正多边形equilateralpolygon

    相位phase

    周期period

    振幅amplitude

    内心incentre(bre),incenter(ame)

    外心excentre(bre),excenter(ame)

    旁心escentre(bre),escenter(ame)

    垂心orthocentre(bre),orthocenter(ame)

    重心barycentre(bre),barycenter(ame)

    内切圆inscribedcircle

    外切圆circumcircle

    统计statistics

    平均数average

    加权平均数weightedaverage

    方差variance

    标准差root-mean-squaredeviation,standarddeviation

    比例propotion

    百分比percent

    百分点percentage

    百分位数percentile

    排列permutation

    组合combination

    概率,或然率probability

    分布distribution

    正态分布normaldistribution

    非正态分布abnormaldistribution

    图表graph

    条形统计图bargraph

    柱形统计图histogram

    折线统计图b肉g8rhflinegraph

    曲线统计图curvediagram

    扇形统计图piediagram

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