数学式和数学用语的英文读法大全

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1、1 数学式和数学用语的英文读法大全数学式和数学用语的英文读法大全 一、Number 数字 106: one million 109: one billion (or one thousand million) 1012: one trillion (or one million million) 1015: one quadrillion(or one thousand million million)1018: one quintillion (or one million million million) 123,456,789: one hundred and twenty three

2、million, four hundred and fifty-six thousand, seven hundred and eighty-nine 12,345,678,900,000:twelve trillion, three hundred and forty five billion, six hundred and seventy-eight million, nine hundred thousand 18: minus eighteen 二、Fractions 分数 通常将分子读为基数,将分母读为序数。 1/2: a (or one) half 1/3: a (or one)

3、 third 1/4: a quarter or one fourth 1/5: a (or one) fifth 2/3: two thirds, two over three, or two by three 9/10: nine tenths, nine over ten, or nine by ten 53/4: five and three quarters 15/64: fifteen over (or by) sixty-four 15%: fifteen per cent 4: four per mill (or mil) 三、三、Decimals 小数小数 0.4: zero

4、 (or naught) point four 2 .01: point (or decimal) naught (or oh) one 12.34: twelve point three four 567.809: five hundred and sixty-seven point eight naught (or oh) nine 30.45: thirty point four five, 0.3333333.: point three repeating (or recurring) 0.3%: point (or decimal) three percent 四、四、Mathema

5、tic Forms 数学式数学式 (4-1) Addition 加法 1+2=3: One and two are three. 2+3=5: Two plus three equals five. 4+0=4: Four and naught is equal to four. 45+70+152=267: 45, 70 and 152 added are (or make) 267 the sum (or total) is 267. (4-2) Subtraction 减法 9-4=5: Nine minus four equals (or is equal to) five. 15-7

6、=8: Seven from fifteen leaves eight. 23,654-8,175=15,479: 8,175 (take or subtracted) from 23,654 leaves 15,479. The difference (or The remainder) is 15,479. (4-3) Multiplication 乘法 1 0=0: One multiplied by naught equals naught. 1 1=1: Once one is one. 2 1=2: Twice one is two. 3 5=15: Three times fiv

7、e is fifteen 6 0=0: Multiply six by nothing, and the result is nothing. 3 (4-4) Division 除法 9 3=3: Nine divided by three makes (or is equal to) three. 20 5=4: Five into twenty goes four times. 456723=198 余 13: 23 into 4567 goes 198 times, and 13 remainder. The quotient is 198, and 13 remainder. 五、五、

8、Power 幂次方幂次方 bn 当中, b 被称为底数 (base),n 被称为指数 (power or exponent) bn: the nth power of b 或 b to the nth power. a107: a times the seventh power of ten. b 的平方: b square or b squared b 的立方: b cube or b cubed b 的 4 次方: b to the fourth b 的-1 次方: b to the minus one 六、六、Time 时间时间 (6-1) Hours 钟点 2h.58“: two ho

9、urs five minutes eight seconds 2 小时 5 分 8 秒 6.18: six eighteen 6 时 18 分 8.30 a.m.: eight thirty a.m. 上午 8 时 30 分 the 6.05 p.m. train: the six (naught) five p.m. train 下午 6 时零 5 分列车 又二十四小时混合制的写法和读法如下: 0900: 0 nine hundred (上午)9 时 0910: 0 nine ten (上午)9 时 10 分 1300: thirteen hundred 13 时(下午 1 时) 1525:

10、 fifteen twenty-five 15 时 25 分(下午 3 时 25 分) 2000: twenty hundred 20 时(下午 8 时) at 5 oclock: at five oclock 五点钟 4 (6-2) Date 日期 Oct.1: October first 10 月 1 日 Oct.1st: October the first 10 月 1 日 1st Oct. 1949: the first of October, nineteen forty-nine 1949 年 10 月 1 日 3/5: 英 May (the) third 5 月 3 日;美Mar

11、ch fifth 3 月 5 日 684 B.C.: Six eighty-four B.C. 公元前 684 年 106 A.D: one oh six A.D. 公元 106 年 1960: nineteen sixty; nineteen hundred and sixty 19-: nineteen something 1950s: nineteen fifties 二十世纪五十年代 60s: sixties 本世纪 60 年代 1770 年代初期: in the early 1770s 20 世纪末: in the late 20th century 11 世纪中叶: in the

12、mid 11th century 七、Phone and Room Numbers 电话及房间号码 2303-9047: two three zero (or oh) three, nine zero (or oh) four seven 3366-3662: three three six six, three six six two 或 double three double six, three double six two room 137: room one three seven 车牌号码,身分证号码,以及各种编号的读法皆类似 八、其它 log(x): the logarithm

13、of x logb(x): the logarithm of x to the base b 5 : 3: five to three 5 A 队领先 2 分: Team A is leading (or ahead) by two. B 队落后 2 分: Team B is trailing (or down) by two. 45 度角: forty-five degree angle 二元一次方程式: linear (or simple) equation with two unknowns 一元二次方程式: quadratic equation with one unknown Vol

14、.I: Volume one (or the first volume) (chapter, page, line 的读法类似) Matt.7:12: Matthew, Chapter Seven, Verse Twelve 马可福音第七章第 12 节 Hamlet III 1:56: Hamlet Act Three, Scene One, Line fifty-six 哈姆雷特第 3 幕第一场第 56 行 时频分析第 123 页第四行: Time-Frequency Analysis, page 123, line 4 Henry V: Henry the Fifth 亨利五世 $4.25

15、: four dollars twenty-five cents 四元二十五分 (大小单位之间不必加 and) 15 ft. 5 in: fifteen foot five (inches) 十五英尺五英寸 20 gal. 5 qt.: Twenty gallons five quarts 二十加仑五夸脱 10 8 feet: ten by eight feet 十英尺长,八英尺宽 5“ 4 2 1/2: five inches by four by two and a half 长五英寸,宽四英寸,高二英寸半 九、符号的英文读法 (9-1) Punctuation Marks 标点符号 中文 英文 中文 英文 分节号 section; division - 破折号 dash 。 句号 period 斜线 virgule; slash , 逗号 comma 反斜线 backslash : 冒号 colon 波浪号 tilde (or swung dash) ; 分号 semicolon . 省略号 ellipsis ! 惊叹号 exclamation ( ) 圆括号 parentheses at 单引号 single quotation mark

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