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1、实用标准文案英语数字表达方式大全0 nought;zero; 1 one 2 two 3 three 4 four 5 five 6 six 7 seven 8eight 9 nine 10 ten 11 eleven 12 twelve 13 thirteen 14 fourteen15 fifteen 16 sixteen 17 seventeen 18 eighteen 19 nineteen 20 twenty21 twenty-one 22 twenty-two 23 twenty-three 30 thirty 32 thirty-two40 forty 50 fifty 60 s

2、ixty 70 seventy 80 eighty 90 ninety 100 onehundred 101 one hundred and one 156 one hundred and fifty-six192 one hundred and ninty-two 200 two hundred 300 three hundred400 four hundred 500 five hundred 600 six hundred 700 seven hundred800 eight hundred 900 nine hundred 1,000 one thousand1,001 one tho

3、usand and one1,300 thirteen hundred;one thousand and three hundred2,000 two thousand 2,034 two thousand and thirty-four6,502 six thousand five hundred and two 38,000 thirty-eight thousand45,672 forty-five thousand six hundred and seventy-two500,000 five hundred thousand1,000,000 one million3,123,400

4、 three million,one hundred and twenty-three thousand and four hundred8,000,000 eight million 47,000,000 forty-seven million900,000,000 nine hundred million1,000,000,000 a milliard,one milliard(美作:a billion,one billion)1,050,000,000 one billion and fifty million美作:a trillion,one trillion)10,000,000,0

5、00 ten billion 200,000,000,000 two hundred billion 1,000,000,000,000 a billion,one billion( 6,000,000,000,000 six million million序数词first 第一 second 第二 third 第三 fourth 第四 fifth 第五sixth 第六 seventh 第七 eighth 第八 ninth 第九 tenth 第十eleventh 第十一 twelfth 第十二 thirteenth 第十三 fourteenth 第十四fifteenth 第十五 sixteen

6、th 第十六 seventeenth 第十七 eighteenth 第十八nineteenth 第十九twentieth 第二十twenty-first 第 二十一twenty-second 第二十二 twenty-third第二十三thirtieth第三十thirty-first第三十一 fortieth 第四十 fiftieth 第五十 sixtieth 第六十seventieth 第七十 eightieth 第八十 ninetieth第九十(one)hundredth 第一百 (one)hundred and first第一百零一hundred and thirty-fourththre

7、e-hundredthfive-hundredthseven-hundredthnine-hundredth第一百三十四 two-hundredth第三百four-hundredth第五百 six-hundredth第七百eight-hundredth第九百(one)thousandth第二百第四百第六百第八百第一千thousand and first第一千零一精彩文档第二千零三十四第一万第一百万(美作:billionth)two thousand and thirty-fourth ten thousandth(one)millionthbillionth第十亿(美作:trillionth)

8、分数1/2 : one-half;a half1/3 : one-third3/4 : three-fourths1/5 : one-fifth2/5 : two-fifths7/8 : seven-eighths1/10 : one-tenth;a tenth1/100 : one-hundredth;one per cent1/1000 : one-thousandth1/10000 : one ten-thousandth2 ' 1/2:two and one half;two and a half4' 2/3:four and two-thirds100% : one

9、hundred per cent0.5% : point five per cent0.46% : point four six per cent2.05 : two point nought five;two point O five6.003 : six point nought nought three;six point O O three78.12 : seventy-eight point one two119 : one one nine120 : one two oh688 : six double-eight5337 : five double-three seven6512

10、 : six five one two97868 : nine seven eight six eight893493 : eight nine three four nine three737964 : seven three seven nine six four62374881 : six two three seven four double-eight one1840 eighteen forty1900 nineteen hundred1992 nineteen ninety-two数字表达类基本要求一、数字表达类(Numbers)研究生入学考试听力试题中第一部分为填充表格,其中很

11、大一部分是根据所听内容填写诸如数 字、时间和地点等具体信息。而数字、时间等信息正是中国考生最不容易听清楚的。下面我们将数 字、时间等英语语言信息的日常表达方法介绍给大家:1 .英语中纯数字的表达方法小数和分数:0.17 zero point one seven / point seventeen / zero point seventeen1/2 one half 1/3 one /a third 3/4 three fourths7'2/ 5seven and two fifths大于100的数字:101 one hundred (and ) one200 two hundred99

12、8 nine hundred ( and ) ninety'eight在英语中上面括弧中的and 一般不能省略;而在美国英语中却往往省去。请分析下面的对话:A: How many people are present in the party last night?B: That 's nine hundred and ninety-eight , exactly.A: Woo, you must be joking. How can you get such an accurate number ?B: Ha, ha surely I am joking. You silly

13、 goose.大于1000的数字:1001 a/one thousand (and) one2232 two thousand two hundred (and) thirty'two900, 732, 266, 043nine hundred billion seven hundred thirty'two million two hundred sixty'six thousand and forty three英语中一千以上数字的表达方法是以三位数为单元,从高到低billion , million , thousand而依次读出的。因此我们在听时,可以三位数三位数

14、地记录。试比较下面的对话:A: Can you tell me exactly the numbers of the whole people in our country?B: Onebillionfour hundred thirty'two million two hundred sixty'six thousand and fortythree.A: Thank you very much.2 .英语中时间的表达方法英语中时间的表达方法主要有直接法和借用介词法等。(1)直接法。上午八点 eight AM (a.m.) ei em 下午九点 nine PM (p.m.)

15、pi: enj六点六分 six six 六点三十二 six thirty two八点正 eight o'clock(2)借用介词法。八点四十五 a quarter to nine七点零五分 five past seven七点五十四 six to eight六点半 half past six(3)表示正点的用法。H点正 at 11 o'clock sharp at 11 o'clock on the hour at 11 o'clock on the strike 正午12点at noon 午夜 12 点 at midnight(注:12 点 22 分可读作:tw

16、elve twenty-two : twenty-two past twelve (英式说法);twenty-two after twelve(美式说法)1 ,点 15 可读作:one fifteen ; a quarter past one (英式说法): a quarter after one (美 英说法)8 点 50 分可读作:eight fifty ; ten to nine(英式说法);ten before nine(美式说法)1 点 40 分可读作:one forty; twenty to two(英式说法);twenty before two (美式说“提前半小时” 可用: h

17、alf an hour early ; thirty minutes early ; early by half an hour; half an hour ahead of time ; half an hour ahead of schedule等来表示。)时间表示法和时段的简单运算是听力考试的热点,请看下面的对话:W How long does the class usually last ?, and ends at nine thirty.M Umm let me think. It starts from a quarter to nine ScW That is forty

18、9;five minutes. Thank you very much!Q When does the class usually start ?3 .英语中货币的表达方法英国货币:penny (便士) /pence (penny 的复数), pound (£)£20.50: twenty pounds fifty pence ,也可以简单地写作:twenty fifty美国货币:1美元钞票a S | 1.0 bill1 dollar=100 cents(S| 1.00=one dollar )(S | 2.00=two dollars )25 美分 1 quarter10

19、 美分 1 dime5 美元 1 nickel1 美分 1 pennyS | 15.95 : fifteen dollars ninety-five cents, 或 fifteen ninety-five.(注: 表示正常价格: regular price , normal price.表示价格戈U算:a good buy, a better buy, an excellent price , a good price/ bargain.表示价格较贵: dear, expensive , more expensive , steep.表示价格便宜:cheap, inexpensive , b

20、argain price , less expensive.表示减价出售:sale price , on sale , garage sale , Christmas sale , special price. 词组:discount , half , double , cut off , knock off , twice as much as , cross offetc.)4 .英语中关于数字及其计算的听力考点(1)数字辨别:有关数字辨别的一个关键考点就是类似30/13, 40/14, 50/15, 60/16的听音,看大家能否听出其发音区别。听力理解中难以分辨的基数词主要有以下几对:t

21、hirteen 与 thirty ; fourteen 与 forty ; fifteen 与 fifty ; sixteen 与 sixty ; seventeen 与 seventy ; eighteen 与 eighty ; nineteen 与 ninety ,在英文中这几对数词叫做 teens and tens(十几与几十)。不管加减还是乘除,这类题中至少会出现两个数字,你的任务就是迅速地判断这两者的关系, 然后根据听音再确定正确选项。(2)加减法计算:在需要简单的加减法计算的题型中,对话中至少出现两个数字,它们之间的关系往往用“多少”、 “迟早”、“快慢”、“前后”的形容词、副词或

22、介词短语等来表达。还要注意一些能够表示数的存在或引起数的变化的动词,这些动词也能确定数字之间的加减关系,例如:be, have , start , begin , spend , miss , leave , postpone , prolong , increase , add, borrow , lend , loan , delay , save , go up, go down, rate , at x%off the price大家还应该记住下面这些表示加减关系的词:more (多),less (少),late (晚),early (早),fast (快),slow (慢),befo

23、re (前), after (后),add/addition(力口上), plus (力口上),subtract/ subtraction(减去), minus(减去)Dialogue 1 :M This black bag is 2.00 and that blue one is a dollar more.W The red one is twice as much as the blue one.Q How much are two red bags ?A.S | 4.00B.S | 6.00C.S | 8.00D.S | 12.00这道题从选择项上来看非常简单,因为数字不大,所以乍一看

24、选择项有可能放松警惕, 而实际 上,这道貌似简单的题,中间却暗含着陷阱。因为原文中提到 black、blue、red三个颜色的bag, 最后提问的是红色书包的价格,包含了一个加法和乘法运算。如果大家在听的时候没记好,又没有 好笔记,就很容易出错。因此,在听力答题中要保持一个清醒的头脑, 稳扎稳打是成功的重要保证。Dialogue 2 :W Three hours ago , I saw Bob at a meeting. Is he home yet ?M No. He said he would be back at four and it's six already.Questio

25、n : What time did the woman see Bob ?A? ? 2 : 00 B? ? 3 : 00 C? ? 5 : 00 D? ? 6 : 00在这个例子中,见到Bob的具体时间必须依据现在的时间推断出。现在时间是6点钟,而说话人是在三小时之前见到Bob的,因而那时的时间约是3点钟。正确的选项是B.Dialogue 3 :M Which coat did you finally decide to buy ?W Well , I would like to buy the green one , but it was S | 85.00 , so I bought th

26、e pink one instead , and save S | 35.00.Question : How much did the woman pay for the coat ?A'60 B ? ? 75 C? ? 90 D? ? 50原对话中并未直接给出说话人所购买的衣服的价钱,但可以通过其他信息推算出来。灰色衣服是85元,而买棕色的可以节省35元,即棕色的衣服是50元。应选D.Dialogue 4 :W.How many people showed up for the meeting yesterday , thirty ?M Twenty-five are expecte

27、d to come , but the number was double that.Question : What's the actual number of people who attended the meeting?A'20 B'35 C'35 D'50此题中的运算关系由double 一词体现出来,即双倍的。原来预计有25人到场,实际上是原先 的两倍,因而正确的选项是D.英语数字的正确表达在汉英笔译和英语写作中,经常会遇到数字;哪些场合用单词表示,哪些场合用阿拉伯数字表示, 往往使人难以确定,现行语法书中也极少涉及此类问题。实际上,以英语为母

28、语的国家,在书写数字时已形成几条约定俗成的规则,现总结如下供读者参考。一.英美等国的出版社在排版时遵循一条原则,即1至10用单词表示,10以上的数目用阿拉伯数字(也有的以100为界限),这条原则值得我们行文时借鉴。Eg. That table measures ten feet by five.那个工作台长10英尺,宽5英尺。Eg. The traditional pattern of classroom experience at the college level brings the professor and a group of 20 to 30 students together

29、for a 45-to-50-minute class session two or three times a week.由一个教授和十名学生每周会晤两三次,每次授课时间45到50分钟,是大学程度课堂教学的传统方式。二.人数用阿技伯数字表示显得更简洁明了,但不定数量、近似值用单词表示较恰当。Eg. There are 203817 voters on the electoral rolls.选举名单上有203817个投票人。Eg. Nearly thirty thousand voters took part in this election.近3万个投票人参加了这次选举。三.遇到日期、百分

30、比、带单位的特殊数字,通常用阿拉伯数字。Eg. Maximum swivel of table is 120.工作台的最大回转角度是120度。Eg. 3rd March l991 或 3 March l991 ;a discount of 5 percent(5%勺折扣);Eg. purchased 7 yards of carpet (买 7 码地毯);Eg. ordered 2 pounds of minced steak (订购 2 磅朵U碎的肉)。如果涉及的数目和单位是不定数,可用单词表示。Eg. about five miles per hour (每小时大约 5 英里)Eg. at

31、 least ten yards away(至少有 10 码远)Eg. hesitated for a moment or two(犹豫了 片亥 U)Eg. I have warned you a hundred times(我已经警告你多少遍了)。四.在科技文章中,数字频繁出现,用阿拉伯数字比用单词陈述更有利。Eg. The new engine has a capacity of 4.3 litres and a power out-put of 153 kilowatts at 4400 revolutions per minute.这台新发动机的容积为4.3升,转速为每分钟4400转时

32、输出功率是153千瓦。Eg. We know that the weight of a cubic foot of air at 0oC and 76cm, pressure is 0.08l pound, or 12 cubic feet of air weigh a pound.我们知道,1立方英尺的空气在0摄氏度和760毫米汞柱压力下,重量是0.81磅,也就是说 12立方英尺空气的重量是1磅。五.句首不用阿拉伯数字,句末要尽量避免用阿拉伯数字。Eg. 4th July is an important date in American history.应该写成 The fourth of

33、July.Eg. 19 couples took part in the ballroom dancing competition.19对选手参加了交际舞比赛。应改写成: Nineteen couples took.Eg. 60 % profit was a reported.据报道有60%的利润。应改写成: Sixty per cent profit Eg. 1345 kilograms force was applied at the center point of the bar.试验时在杆的中点加 1345公斤力。可改成 When tested, a force of l345 kg

34、was applied.六.遇到分数,可用带连字符号的单词表示。Eg. At 1east two-thirds of the classhave had colds.这个班至少有三分之二的学生患重Eg. Nitrogen forms about four-fifths of the atmosphere.氮约占大气的五分之四。Some content above and below overlap. But it doesn't matter. Please go over them.数词:主要分为基数词和序数词两类。一、数词的分类1.基数词表示数目的词称为基数词。其形式如下:A.从1

35、10one, two, three , four , five , six , seven, eight , nine , ten .B.从1119eleven , twelve , thirteen , fourteen , fifteen , sixteen , seventeen , eighteen , nineteen .这里除 eleven , twelve , thirteen , fifteen , eighteen 为特殊形式外,fourteen , sixteen , seventeen , nineteen 都是由其个位数形式后添加后缀 -teen 构成。C.从2199整

36、数几十中除 twenty, thirty, forty , fifty , eighty 为特殊形式外,sixty , seventy, ninety 都是其个位数形式后添加后缀-ty构成。表示几十几时,在几十和个位基数词形式之间添加连字符21 twenty-one 76 seventy-sixD.百位数个数基数词形式加“ hundred”,表示几百,在几十几与百位间加上and.101 a hundred and one 320 three hundred and twenty 648 six hundred and forty-eightE.千位数以上从数字的右端向左端数起,每三位数加一个逗

37、号。从右开始,第一个”前的数字后 添加thousand ,第二个”前面的数字后添加million ,第三个“,”前的数字后添加billion 。 然后一节一节分别表示,两个逗号之间最大的数为百位数形式。2,648 two thousand six hundred and forty-eight16,250,064 sixteen million two hundred and fifty thousand sixty-four5,237,166,234 five billion , two hundred and thirty-seven million , one hundred and s

38、ixty-six thousand , two hundred and thirty-fourF.基数词在表示确切的数字时,不能使用百、千、百万、十亿的复数形式;但是,当基数词 表示不确切数字,如成百、成千上万,三三两两时,基数词则以复数形式出现。There are hundreds of people in the hall .大厅里有数以百计的人。Thousands and thousands of people cometo visit the Museunof Qin Terra-Cotta Warriors and Horses every day ,每天有成千上万的人来参观秦兵马涌

39、博物馆。They went to the theatre in twos and threes .他们三三两两地来至U了居U院。G表示人的不确切岁数或年代,用几十的复数形式表示。He became a professor in his thirties . 他三十多岁时成为了教授。She died of lung cancer in forties .她四十来岁时死于肺癌。It was in the 1960s.那是在二十世纪六十年代。H.基数词的句法功能基数词在句中可作主语、宾语、定语、表语、同位语。The two happily opened the box .两个人高兴地打开了盒子。(作

40、主语)I need three altogether .我总共需要三个。(作宾语)Four students are playing volleyball outside.四个学生在外面打排球。(作定语)We are sixteen .我们是16个人。(作表语)They three tried to finish the task before sunset .他们三个人尽力想在日落前完成任务(作 同位语)2.序数词表示顺序的词称为序数词。序数词的主要形式:A.从第一至第十九其中,one first , two second , three third , five fifth , eight

41、 eighth , nine ninth , twelve twelfth 为特殊形式,其它的序数词都是由其相对应的基数词后面添加“ th” 构成。例如: six sixth 、 nineteen nineteenth .B.从第二十至第九十九整数第几十的形式由其对应的基数词改变结尾字母y为i ,再加“ eth ”构成。twentytwentieth thirtythirtieth表示第几十几时,用几十的基数词形式加上连字符”和个位序数词形式一起表示。thirty-first 第三 H' fifty-sixth 第五十六 seventy-third第七十三ninety-ninth第九十

42、九C.第一百以上的多位序数词由基数词的形式变结尾部分为序数词形式来表示。one hundred and twenty-first 第一百二 Hone thousand , three hundred and twentieth 第一千三百二十D.序数词的缩写形式有时,序数词可以用缩写形式来表示。主要缩写形式有。first1st second2nd third3rd fourth4th sixth6th twentieth 20thtwenty-third23rd 其中lst , 2nd, 3rd为特殊形式,其它的都是阿拉伯数字后加上theE.序数词的句法功能序数词在句中可作主语、宾语、定语和表

43、语。The second is what I really need .第二个是我真正需要的。(作主语)He choose the second .他挑选了第二个。(作宾语)We are to carry out the first plan .我们将执行第一个计划。(作定语)She is the second in our class .在我们班她是第二名。(作表语)注:序数词在使用时,通常前面要加定冠词the ;但是如果序数词前出现不定冠词a或an时,则表示“再一一”,“又一一”。We'll go over it a second time .我们得再念第二遍。We've

44、tried it three times . Must we try it a fourth time?我们已经试过三遍了,还必须试一次(第四次)吗?另外,基数词也可以表示顺序。只需将基数词放在它所修饰的名词之后即可,不需要添加定冠词。the first lessonthe twenty-first room、时刻表示法Page 5 (five )Lesson One the fifth page Room 21 (twenty-one )1 .表示几点钟用基数词加可以省略的o'clock5:00 读作 five o'clock或 five2 .表示几点过几分,在分钟后加 pa

45、st,再加小时five past seven七点过五分half past six 六点半a quarter past eight点过亥Useven past eight八点过七分3.表示几点差几分,在分钟后面加to ,再加小时ten to eight差十分八点(七点五十分)a quarter to twelve差一刻十二点(H一点四十五分)twenty to six差二十分六点(五点四十分)在日常生活中,常用下列简单方法表示时间。以小时、分种为单位分别读出数字6:31 读作 six thirty-one14:03 读作 fourteen o three10:26 读作 ten twenty-s

46、ix16:15 读作 sixteen fifteen18:30 读作 eighteen thirty 注:时刻表上的时间大多采用23:55 读作 twenty-three fifty-five24小时表示法,这样就不需要用a.m.表示上午,p.m.表示下午了、年月表示法1 .世纪可以用定冠词加序数词加世纪century表示,也可以用定冠词加百位进数加's表示the sixth (6th) century 公元六世纪the eighteenth (18th) century 公元十八世纪the 1900's 二十世纪 the 1600's 十七世纪这里,用百位数整数表示的

47、世纪比这一百位阿拉伯数字本身多一个世纪2 .年代用定冠词及基数词表示的世纪加十位整数的复数形式构成in the 1930's (in the thirties of the twentieth century 或 in the nineteen thirties ) 在二十世纪三十年代in the 1860's(in the sixties of the 19th century或 in the eighteen sixties )在十九世纪六十年代In the 1870's when Marx was already in his fifties, he found

48、it important to studythe situation in Russia , so he began to learn Russian .在十九世纪七十年代当马克思已经五十多岁时,他发现研究俄国的形势很重要,便开始学习俄3 .表示某年代的早期、中期和晚期,可以在定冠词后,年代前添加early , mid-, latein the early 1920's在二十世纪二十年代早期in the mid-1950's在二十世纪五十年代中期4 .年月日表示法A.年份用基数词表示,一般写为阿拉伯数字,读时可以以hundred为单位,也可以以世纪、年代为单位分别来读。1949

49、 读作 nineteen hundred and forty-nine 或 nineteen forty-nine1800 读作 eighteen hundred 253 读作 two hundred and fifty-three 或 two fifty-three1902 读作 nineteen hundred and two 或 nineteen o two表示在哪一年,一般在年数前加介词in ,使用year时,year放在数词之前。in the year two fifty-three B.C.在公元前 253 年但是,通常采用in加表示年份的阿拉伯数字。B.月份,在哪个月用介词in加

50、第一个字母大写的月份词表示。例如:in May在五月;in July 在七月。为了简便起见,月份与日期连用时,月份常用缩写形式表示。缩写形式除May June, July 外,其它的月份都由其前三个字母表示,但 September除外。JanuaryJan. 一月 FebruaryFeb. 二月 MarchMar. 三月 AprilApr. 四AugustAug. 八月 SeptemberSept.九月 OctoberOct.十月NovembeNov. H-月DecemberDec.十二月注:这里缩写形式后面加点不能省略,因为它是表示缩写形式的符号。C.日期用定冠词the加序数词表示。在哪一天

51、要添加介词 on。National Day is on Oct. 1.国庆节是十月一日。(读作 October first )此句也可以表示为 National Day is on the 1st of October .May 5五月五日(读作 May fifth )也可以表示为the fifth (5th) of MayMar. 1 (st) 三月一日(读作 March first 或 the first of March )5.表示不具体、不确切的时间,如世纪、年代、年份、月份时,用介词 in表示,表示具体确切 的某一天用介词 on表示通常情况下 morning, afternoon ,

52、 evening 等词前用介词 in。但是,当这 些词前后有一修饰限定的词作为定语,把它们限定为某一天早晨、下午或晚上时,介词 in应改为 on。这里的修饰限定词可以是介词短语、名词、形容词、定语从句等。On a cold morning , the old man died lonely in his house . 在一个寒冷的早晨,这个老人 孤独地死在自己的房子里。I don't want to be disturbed on nights when I have to study.我不愿意在我必须学习的晚The accident happened on the afternoo

53、n of July 7. 这次事故发生在 7 月 7 日下午。We are to have a small test on Monday morning .星期一早晨我们将进行一次小测验。四、加减乘除表示法1. “加”用plus , and或add表示;“等于"用is , make equal等词表示。2+3=?可表示为:How much is two plus three?2+3=5Two plus three is five .Two and three is equal to five .Two and three make fiveTwo added to three equ

54、als five .If we add two to/and three, we get five.二加三等于五2. “减”用 minus 或 take from 表示106 = ? How much is ten minus six?10-6=4 Ten minus six is four .Take six from ten and the remainder is four.Six (taken) from ten is four .十减去六等于四3. “乘”用time (动词)或 multiply 表示3X4= ? How much is three times four?3X4=12

55、 Three times four is/are twelve .Multiply three by four , we get twelve .Three multiplied by four makes twelve .三乘以四等于十二4. “除”用divide的过去分词形式表示16+4=? How much is sixteen divided by four?16+4 = 4 Sixteen divided by four is four .Sixteen divided by four equals/gives/makes four.十六除以四等于四。五、分数表示法1”以1 .分数是

56、由基数词和序数词一起来表示的。基数词作分子,序数词作分母,除了分子是“ 外,其它情况下序数词都要用复数形式。3/4 three fourths 或 three quarters1/3 one third 或 a third24/25 twenty-four twenty-fifths3 1/4 three and one fourth 或 three and one quarter 1/2 a half1/4 one quarter 或 a quarter1 1/2 one and a half1 1/4 one and a quarter2 .当分数后面接名词时,如果分数表示的值大于1,名词

57、用复数;小于1,名词用单数。1 1/2 hours 一个半小时(读作 one and a half hours )2 3/4 meters 二又四分之三米(读作 two and three-fourths meters ) 4/5 meter 五分之四米5/6 inch 六分之五英寸3 .表示“n次方”的说法:指数用序数词,底数用基数词。10 的 7 次方 the seventh power of ten(ten to the seventh power )6 的 10 次方 the tenth power of six (six to the tenth power ) 六、小数表示法1.小数用基数词来表示,以小数点为界,小数点左首的数字为一个单位,表示整数,数字合起来读;小数点右首的数字为一个单位,表

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