2017年09月12日 1933人浏览
一般对于中国的考生来说,AEAS的数学部分都不在话下——当然,前提是你要看的懂题目!!!那么为了准备AEAS考试、甚至是将来顺利的进入了高中后想称霸数学,你需要知道哪些单词呢?动动手指先收藏了吧!
数学符号
Mathematical symbols
01
+
plus 加号;正号
“1+1”读作:one plus one02
-
minus ["maɪnəs]; negative ["negətɪv]
减号;负号
“2-1”读作:two minus one
“-3”读作:minus three或negative three
“2-(-3)”读作:two minus negative three
03
±
plus-minus sign 正负号
“±1” 读作:plus or minus one04
×
multiplied [’mʌltɪ’plaɪd] by ; times
乘号
“2×3” 读作:two multiplied by three 或 two times three05
÷
divided by 除号
“4÷2”读作:four divided by two06
=
equals; is equal to 等于号
“1+1=2”读作:One plus one equals two.
或 One plus one is equal to two.
07
≠
is not equal to 不等于号
“a≠b”读作:a is not equal to b08
≌
congruent ["kɒŋgrʊənt] to
全等(两个图形形状相同、大小相等)
“△ABC≌△DEF”读作:Triangle ABC is congruent to Triangle DEF.09
≈
approximately equal to 约等于号
“3×3≈10” 读作:Three multiplied by three is approximately equal to ten.10
<
is less than 小于号
“1<2”读作 One is less than two.11
>
is greater than 大于号
“2>1”读作:Two is greater than one.12
≮
is not less than 不小于号
“3≮2”读作:Three is not less than two.13
≯
is not greater than 不大于号
“2≯4” 读作:Two is not greater than four.14
≤
is less than or equal to 小于或等于号
“2≤3”读作:Two is less than or equal to three.15
≥
is greater than or equal to 大于或等于号
“5≥4”读作:Five is greater than or equal to four.16
%
per cent 百分之……
“10%”读作:ten percent17
‰
per mill [mil]; per thousand千分之……

“10‰”读作:ten per thousand18
∞
infinity [ɪn"fɪnɪtɪ] 无限大号
“-∞” 读作:negative infinity19
∝
varies as 与...成比例
“X∝Y”读作:X varies as Y20
√ ̄
square root 平方根
“√ ̄16=4”读作:The square root of sixteen is four.21
3√ ̄
cube root 立方根
“3√ ̄27=3”读作:The cube root of 27 is 3.22
∵
since; because 因为
“∵1+1=2”读作:because one plus one equals two23
∴
hence; therefore 所以
“∴1<2”读作:hence one is less than two24
∠
angle 角
“∠A”读作:angle A
“∠A +∠B+∠C=180°”
读作:The measure of angle A plus angle B plus angle C equals 180 degrees.
25
⌒
semicircle ["semɪsɜːkl] 半圆
“⌒AB”读作:semicircle AB26
⊙
circle 圆
“⊙A”读作:circle A27
○
circumference [sə"kʌmf(ə)r(ə)ns] 圆周
“○=π×d”读作:Pi multiplied by d equals circumference.28
π
pi constant 圆周率
“π×d”读作:pi multiplied by d29
△
triangle 三角形
“△ABC”读作:triangle ABC
What is the area of triangle ABC? 求三角形ABC的面积。
30
⊥
perpendicular to [,pɜːp(ə)n"dɪkjʊlə] 垂直于
“A⊥B”读作:A is perpendicular to B.31
//
parallel ["pærəlel] to 平行于
Line AB is parallel to line CD.
32
∪
union of 并,合集
“A∪B”读作:the union of A and B33
∩
intersection [ɪntə"sekʃ(ə)n] of 交,通集
“A∩B”读作:The intersection of A and B34
∫
the integral [ˈɪntɪɡrəl] of ……的积分
“∫x”读作:the integral of x35
∑
summation of 总和
“∑x”读作:the summation of x36
equation [ɪ"kweɪʒ(ə)n]
方程式、等式
“y = kx” 读作:
Y varies as x.
K is "the constant of variation.
y与x成正比(y是x的正比函数),k是常数。
“y = k/x”读作:
Y varies inversely as x.
y与x成反比例(y是x的反比例函数)。
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