数学专业英语 希腊字母课件

1、数学专业英语MATHEMATICAL ENGLISH 参考书目： 数学专业英语吴炯圻 编著，高等教育出版社1第一讲 数学符号的读法 1、希腊字母的读法与写法 2352、数字1/2 a half或one half1/4 a quarter(fourth)或one quarter(fourth)1/1234 one over a thousand two hundred and thirty-four4/5 four fifths或four over five113/300 one hundred and thirteen over three hundred6two and seven over

2、 eight或two and seven eighthso point one或zero point onetwo point three fivefour point nine recurringthree point nought three two six, two six recurring720o twenty degrees6 six minutes; six feet10” ten seconds; ten inches2% two percent5 five per mille8a=b a is equal to b; a equals bab a is not equal t

3、o b; a is not bab a is greater than bab a is less than bab a is greater than or equal to bab a is less than or equal to bab a is identically equal to b; a is of identity to b10exponential function (to the base e)of xlogarithm to the base a of xthe integral part of xreal part of zimaginary part of zm

4、odulus of zargument of zconjugate of z12n th derivative of the function f with respect to xpartial derivative of the function f with respect to x, where f is a function of x and another variable (or variables)an indefinite integral of the function fdefinite integral of the function f from a to bx ap

5、proaches the limit a14b primeb double primeb triple primeb sub mx dotx two dots15because; sincethereforefor all; for every there is a; there existsround brackets; parenthesessquare bracketsbraces16 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) c

6、ontained in set X union of sets X and Y intersection of sets X and Y differences of sets X and Y17练习65=30 Six times five equals thirty;Six multiplied by five is equal to thirty;Six multiplied by five makes/ make thirty18127+3twelve is greater than seven plus three2052=25The second power of 5 is 25;5 square is 25;The square of 5 is 25;5 to the second power is equal to 2521a plus b minus c multiplied by d, alldivided by e equals f23456723=198余13Twenty-three into four t