[转载] 英语数字用法

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<p>0（零）zero/oh<br />零增长 zero growth<br />零次 zero times<br />零点 zero hours<br />零度 zero degrees<br />无重力 zero gravity<br />内线501 extension 501 [five oh one]</p><p>10美元纸币8张 eight $10 [ten dollar] bills<br />14人受伤 Fourteen were injured.</p><p>100亿 ten billion 10,000,000,000<br />10兆 ten trillion 10,000,000,000,000<br />1,000兆 a[one]quadrillion 1,000,000,000,000,000<br />100千兆 a[one] quintillion</p><p>头班车 the first train<br />清早我要首先做那件事。I will do that first thing in the morning.<br />从右数第二个是我。I am second from the right.<br />第三次终于成功了。I finally made it on the third try.</p><p>1/2? a[one] half<br />1/3? a[one] third<br />2/3? two thirds<br />1/4? a[one] quarter/a[one] fourth<br />3/4? three quarters/three fourths<br />1/5? a[one] fifth<br />1/100 a[one] hundredth/a[one] one-hundredth<br />2 1/2? two and a half<br />7 5/8? seven and five eighths<br />7/5? seven fifths<br />5的倒数是1/5。The reciprocal of five is one fifth.</p><p>9.622? nine point six two two<br />0.15? zero point one five<br />7.28? billion. seven point two eight billion<br />+5???? plus[positive] five<br />-9???? minus[negative] nine<br />±6?? plus(or) minus six</p><p>52 five squared/the square of five </p><p>43 four cubed/the cube of four </p><p>34 three to the fourth(power) </p><p>x2? x squared </p><p>x3?? x cubed </p><p>x4?? x to the fourth(power) </p><p>xn?? x to the nth(power) </p><p>x-2? x to the minus second(power) </p><p>x1/2 x to the one half(power) </p><p>6的平方是36。The square of 6 is 36. </p><p>4的立方是64。The third power of 4 is 64./The cube of 4 is64. </p><p>2的4次方是16。The fourth power of 2 is 16./Two to the fourth(power) is sixteen. </p><p>某个数的n次方 raise a number to the nth power </p><p>31/2?? the square[second] root three/root three </p><p>81/3?? the cube[third] root of eight </p><p>91/4?? the fourth root of nine </p><p>x1/n?? the nth root of x </p><p>log525? base-5 log of 25/ log of 25, base-5 </p><p>log 100 common log of 100 </p><p>loge 5? natural log of 5</p><p>7的阶乘 7!? seven factorial</p><p><br />7的阶乘 7!? seven factorial</p><p><br />7的阶乘 7!? seven factorial</p><p><br />7的阶乘 7!? seven factorial</p><p><br />7的阶乘 7!? seven factorial</p><p><br />7的阶乘 7!? seven factorial</p>

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<p>个位 ones </p><p>10位 tens </p><p>100位 hundreds </p><p>1，000位 thousands </p><p>小数第一位 the first decimal place</p><p>计算到小数第三位 calculate to the third decimal place</p><p>伊丽莎白一世 Elizabeth I[thE First]<br />伊丽莎白二世 Elizabeth II[the Second]<br />第二次世界大战 World War II[two]<br />第五章 Chapter V[five]<br />第六节 Section VI[six]<br />第一幕第3场 Act I[one], Scene III[three]</p><p>圆周率? pi(π) </p><p>sin600? sine sixty degrees 600 的正弦</p><p>cos300? cosine thirty degrees 300的余弦</p><p>tan450? tangent forty-five degrees 450的正切</p><p>实数 real numbers<br />虚数 imaginary numbers<br />复数 complex numbers<br />偶数 even numbers<br />奇数 odd numbers<br />素数 prime numbers<br />倍数 multiples<br />最小公倍数 LCM [the least common multiple]<br />约数 divisors<br />最大公约数 GCD [the greatest common divisor]<br />进制 number systems<br />二进制 the binary system<br />八进制 base 8<br />10进制 the decimal system<br />16进制 base 16</p>

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<p>02 数式读法</p><p>数数 count<br />扳着手指数数 count on one's fingers<br />从1数到10? count from one to ten<br />从100起倒数 count backward from 100<br />你能数到多少个数? How high can you count?<br />倒计时? countdown</p><p>加法 adition<br />加 add<br />和 sum<br />+（加号）plus/and<br />=（等号）equals/is/makes</p><p>2+3=5<br />Two plus three equals five.<br />Two plus three is five.<br />Two and three makes five.<br />Two and three is five.</p><p>3.5+4.6=8.1 <br />Three point five plus four point six equals eight point one.</p><p>1/2+2/3=1 1/6 <br />A half plus two thirds equals one and a sixth.</p><p>9加3等于12。Add nine and three, and you get twelve.<br />5加8等于几？What is 5+8[five plus eight]?<br />9加5等于几？What does nine and five make?</p><p>减法 subtraction<br />减 subtract<br />差 difference<br />-（减号）minus/less</p><p>10-9=1<br />Ten minus nine equals one.<br />Ten minus nine is one.<br />Ten less nine is one.</p><p>1,352-681=671<br />One thousand three hundred (and) fifty-two minus six hundred (and) eighty-one equals six hundred (and) seventy-one.</p><p>3/4-1/4=1/2<br />Three fourths minus one fourth equals one half.</p><p>10-20=-10<br />Ten minus twenty equals negative ten.</p><p>3x-2y=6<br />Three x minus two y equals six.</p><p>12减3等于9。<br />If you take three from twelve, you get nine.</p><p>乘法 multiplication<br />乘 multiply<br />积 product<br />x（乘号）multiplied by/times</p><p>3 x 5=15<br />Three multiplied by five equals fifteen.<br />Three times five equals fifteen.<br />Three times five is fifteen.</p><p>1/2 x 1/4=1/8<br />One half multiplied by one fourth equals one eighth.</p><p>3.5 x 2.1=7.35<br />Three point five multiplied by two point one equals seven point three five.</p><p>4 x (-2)=-8<br />Four times negative two is negative eight.</p><p>6乘4等于24。<br />If you multiply six by four, you get twenty-four.</p><p>5乘6的积为30。<br />The prosuct of five by six is thirty.</p><p>乘法表 multiplication tables<br />5的乘法口诀 the five times table</p><p>除法 division<br />除 divide<br />商 quotient<br />余 remainder<br />÷（除号）divided by/into</p><p>10÷2=5<br />Ten divided by two eauals five.<br />Ten divided by two is five.<br />Two into ten is five.</p><p>1,111÷11=101<br />One thousand, one hundred (and) eleven divided by eleven equals one hundred (and) one.</p><p>3/4÷1/2=1 1/2<br />Three fourths divided by one half equals one and a half.</p><p>8用2除等于4。<br />Divide eight by two, and you get four.</p><p>22÷7=3余1，22÷7=3 r1<br />Twenty-two divided by seven eauals three with a remainder of one.</p><p>除开 divisible</p><p>16能用2、4、和8除开<br />16 is divisible by 2, 4, and 8.</p><p>进位 round up</p><p>未满10的以10计算 <br />round up to the nearest ten</p><p>把小数点的数进位到整数<br />round up to the nearest whole number</p><p>小数点以后第3位进位<br />round up to the second decimal place</p><p>未满1元的零头按1元计算<br />round up to the nearest one yen</p><p>舍掉 round down/drop omit</p><p>不足10的舍掉<br />round down to the nearest ten</p><p>未满1元的零头不计<br />round down to the nearest one yen</p><p>不足1000的舍掉<br />000's [three zeroes] omitted</p><p>四舍五入 round off</p><p>不足10的四舍五入<br />round off to the nearest ten</p><p>小数点后的四舍五入<br />round off to the nearest whole number</p><p>小数后的数第4位四舍五入<br />round off to the third decimal place</p><p>代数 algebra<br />未知数 unknowns<br />变量 variables</p><p>2x? two x<br />1/x? one over x<br />x/y? x over y </p><p>方程式 equations</p><p>一[二]次方程式<br />a liner [quadric] equation</p><p>求解 solve<br />解 solution<br />公式 formula<br />微分 differenciation<br />积分 integration<br />函数 functions<br />数列 sequences/progressions</p><p>算术数列等差级数<br />arithmetic sequences [progressions]</p><p>几何数列等比级数<br />geometric sequences [progressions]</p><p>正比例 direct proportion</p><p>反比例 indirect proportion</p>

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有关年龄的写法<br />use numerals for ages <br />?a girl aged 12 years, a boy aged 12 months<br />? a 3-day old child<br />?a 64-year old man<br />?men in their 60s<br />?a man of 60<br />?6.5 years old <br />?25th year of life<br />?examination at 6 weeks<br />?<br />正文及图表中的数字表达<br />use numbers for scores on tests and scales <br />?days 2-18, day 15, week 3, year 8<br />? two to five days<br />?19 gauge needle<br />?one to nine days, 4-12 days<br />?33rd week of pregnancy<br />?scale for 0 to 3<br />?ratio of 1 in 17(1:17)<br />?twofold, 14-fold<br />?a 1 in n sample<br />?a 1:6 gradient<br />?<br />principles for numerals in the chicago manual of style<br />?in nontechnical contexts, the following are spelled out: whole numbers from one through one hundred, round numbers, and any number beginning a sentence. <br />?if according to rule you must use numerals for one of the numbers in a given category, use them for all in that category. in the same sentence or paragraph, however, items in one category may be given as numerals and items in another spelled out.