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写作资料技巧|如何使用英语表达数字

来源:www.bolonow.com 2024-05-21
在汉英笔译和英语写作中,常常会遇见数字;什么场所用单词表示,什么场所用阿拉伯数字表示,总是使人很难确定,现行语法书中也极少涉及此类问题。
事实上,以英语为母语的国家,在书写数字时已形成几条款定俗成的规则,现总结如下供读者参考。
(1)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(也有些以100为界限),这条原则值得大家行文时借鉴。如:
That table measures ten feet by five.
那个工作台长10英尺,宽5英尺。
The traditional pattern of classroom experience at the college level brings the professor and a group of 20 to 30 students together 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,每次讲课时间45到50分钟,是大学程度课堂教学的传统方法。


(2)人数目用阿技伯数字表示看上去更简洁明了,但不定数目、近似值用单词表示较适合。如:
There are 203817 voters on the electoral rolls。
选举名单上有203817个投票人。
Nearly thirty thousand voters took part in this election.
近3万个投票人参加了这次选举。
(3)遇见日期、百分比、带单位的特殊数字,一般用阿拉伯数字。如:
Maximum swivel of table is l20.
工作台的最大回转角度是120度。
又如:
①3rd March l991或3 March l991; a discount of 5 percent(5%的优惠);
②purchased 7 yards of carpet(买7码地毯);
③ordered 2 pounds of minced1 steak (订购2磅剁碎的肉)。
假如涉及的数目和单位是不定数,可用单词表示,
如:① about five miles per hour(每小时大约5英里),
②at least ten yards away(至少有10码远),
③hesitated for a moment or two(犹豫了一会儿),
④I have warned you a hundred times(我已经警告你多少遍了)。


(4)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,如:
The new engine has a capacity of 4.3 litres and a power out-put of 153 kilowatts2 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转时输出功率是153千瓦。
We know that the weight of a cubic foot of air at 0℃,and 76cm,pressure is 0.08l pound, or 12 cubic feet of air weigh a pound.
大家了解,1立方英尺的空气在0摄氏度和760毫米汞柱重压下,重量是0.81磅,也就是说12立方英尺空气的重量是1磅。


(5)句首不需要阿拉伯数字,句末要尽可能防止用阿拉伯数字,
4th July is an important date in American history.
应该写成The fourth of July...
19 couples took part in the ballroom3 dancing competition.
19对选手参加了交际舞比赛。应改写成:Nineteen couples took
60%profit was a reported.据报道有60%的价值。
应改写成:Sixty per cent profit
1345 kilograms force was applied4 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 was applied


(6)遇见分数,可用带连字符号的单词表示,如:
At 1east two-thirds of the class have had colds.这个班至少有三分之二的学生患重感冒。
Nitrogen forms about four-fifths of the atmosphere. 氮约占大方的五分之四。


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