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完成review数学部分的复习，分享一些其中不常见的术语表达，及我不记得的数学常识。 （做数学，证明自己属于NC系列的。。。） reciprocal 倒数 re‧cip‧ro‧cal / rɪˈsɪprək?l / formal a reciprocal arrangement or relationship is one in which two people or groups do or give the same things to each other ￚsee also mutual He spoke of the necessity for a reciprocal relationship that would be useful for all sides. Such treaties provide reciprocal rights and obligations. inclusive 包括首尾数字 in‧clu‧sive / ɪnˈkluːsɪv / 1 an inclusive price or cost includes everything ￚopposite exclusive all-inclusive/fully inclusive The fully inclusive fare for the trip is £22. inclusive of The rent is £120 a week, inclusive of heating. 2 including a wide variety of people, things etc ￚopposite exclusiveNot everyone shares his vision of an inclusive America. 3 (from) April to June inclusive/15 to 20 inclusive etc used to refer to a range of months, numbers etc, including the ones that start and end the range
quadratic function quad‧rat‧ic e‧qua‧tion / kwɒˌdrætɪk ɪˈkweɪʒ?n $ kwɑː- / [countable] technical an equation such ax²+by+c = z, which includes numbers or quantities multiplied by themselves parabola 抛物线 pa‧rab‧o‧la / pəˈræbələ / [countable] technical a curve in the shape of the imaginary line an object makes when it is thrown high in the air and comes down a little distance away
arithmetic mean the arithmetic mean (=average)= sum of values / number of values
factorial fac‧to‧ri‧al / fækˈtɔːriəl / [countable] technical the result when you multiply a whole number by all the numbers below it factorial 3 = 3 x 2 x 1 mutually exclusive events 相互独立
quotient a=b*n+c 中的n 或者也可以是 a yields b when divided by n quo‧tient / ˈkwəʊʆ?nt $ ˈkwoʊ- / [countable] 1 the amount or degree of a quality, feeling etc in a person, thing, or situation Is all this healthy food supposed to increase my happiness quotient? 2 technical the number which is obtained when one number is divided by another
remainder 余数 greatest common divisor 最大公约数 least common denominator 最小公倍数 de‧nom‧i‧na‧tor / dɪˈnɒm?neɪtə $ dɪˈnɑːm?neɪtər / [countable] technical the number below the line in a fraction ￚsee also numerator 2 is a prime number, 1 is not a prime number, 0 is an even integer
not necessarily distinct 数字可以重复出现 units’ digit 个位 a2个位是9，则a个位可能是3或7；个位是4，则a个位可能是2或8
exponent 次方 technical a sign written above and to the right of a number or letter to show how many times that quantity is to be multiplied by itself square 平方 the result of multiplying a number by itself ￚsee also square root square of The square of 4 is 16.
cube 四次方 the cube of something the number you get when you multiply a number by itself twice, for example 4 x 4 x 4 = 64, so the cube of 4 is 64
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发表于 2009-5-7 23:29:00
