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简介
这是ppt中希腊字母，包括了希腊字母在现代已经超越了希腊民族的局限而成为了国际性的符号(自然科学的、社会科学的)等内容，欢迎点击下载。
ppt中希腊字母是由红软PPT免费下载网推荐的一款课件PPT类型的PowerPoint.
数学公式的读法 希腊字母的读法
希腊字母
希腊字母在现代已经超越了希腊民族的局限而成为了国际性的符号(自然科学的、社会科学的)，尤其在土木工程，材料学、土力学、水力学及相应设计课程里作为科学符号多而杂，初学者很难对其读音和书写准确掌握，所以本文编辑了希腊字母有关历史和读音、书写，以便初学和自学者在掌握这些符号的基本读写后尽快能熟悉其在专业中的意义！
希腊字母的读法
1、希腊字母的读法与写法
2、数字的读法
1/2 a half或one half
1/4 a quarter(fourth)或one quarter(fourth)
1/1234 one over a thousand two hundred and
thirty-four
4/5 four fifths或four over five
113/300 one hundred and thirteen over three
hundred
20o twenty degrees
6’ six minutes; six feet
10” ten seconds; ten inches
2% two percent
5‰ five per mille
3.符号与表达式的读法
a＋b a plus b; (positive)
a－b a minus b; (negative)
a±b a plus or minus b
a×b a multiplied by b; (times)
a÷b a divided by b;
a:b the ratio of a to b
a=b a is equal to b; a equals b
a≠b a is not equal to b; a is not b
a＞b a is greater than b
a＜b a is less than b
a≥b a is greater than or equal to b
a≤b a is less than or equal to b
a≡b a is identically equal to b; a is of
identity to b
a is approximately equal to b
a is congruent to b
a to the power p
square root of a
cube root of a
n th root of a
the absolute value of a
factorial n
exponential function (to the base e)of x
logarithm to the base a of x
the integral part of x
real part of z
imaginary part of z
modulus of z
argument of z
conjugate of z
function f of x
y is a function of x
increment of x; delta x
total differential of the function f
derivative of the function f with
respect to x
value at a of the derivative of the
function f
b prime
b double prime
b triple prime
b sub m
x dot
x two dots
because; since
therefore
for all; for every
there is a; there exists
round brackets; parentheses
square brackets
braces
p implies q
p is equivalent to q; p if and only if q
x is (not) a member of the set X
set A is (not) contained in set X
union of sets X and Y
intersection of sets X and Y
differences of sets X and Y
练习
6×5=30
Six times five equals thirty;
Six multiplied by five is equal to thirty;
Six multiplied by five makes/ make thirty
v equals s divided by t;
v is s over t
12＞7+3
twelve is greater than seven plus three
52=25
The second power of 5 is 25;
5 square is 25;
The square of 5 is 25;
5 to the second power is equal to 25
The square root of 4 is /equals plus or minus 2
a plus b minus c multiplied by d， all
divided by e equals f
4567÷23=198余13
Twenty-three into four thousand five hundred and sixty-seven goes one hundred and ninety-eight times， and thirteen remainder.
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