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1、Translation of Numerals and Multiples,Contents,1.Integer&approximate number,2.over&under,3.at least&at most&between,4.Numerals in multiples,5.The increase of numerals,6.The decrease of numerals,Integer and approximate numbers,英语中常用flat,cool,sharp,exactly,whole,just等词修饰数字，表示“正好，恰好，整整”等英语中也常用about,som
2、e,around,round,approximately,close to,nearly,towards等词修饰数字，表“大约，上下，将近，几乎”等,1.He finished the experiment in twenty-four hours flat.他完成这一实验正好用了24小时.2.The physician treated cool 30 patients that day.这位内科医生那天正好看了30个病人.3.The plane takes off at 7oclock sharp.这架飞机7点整起飞.4.The machine worked for ten whole da
3、ys.这台机器整整运转了10天.5.The wire measures exact ten meters.这条导线刚好10米长.6.The volume of the sun is about/some/around/round 1,300,000 times that of the earth.太阳的体积约为地球的130万倍.,7.It is nearly/towards 4o clock.现在将近4点钟.8.The price of this new machine is in the neighborhood of/of the order of a thousand dollars.这
4、台新机器的价格约为1000美元.9.Noise figure in the border of 4 to 5 dB at Ghz has been reported.据称，在2,000兆赫时，噪声系数约为4-5分贝.10.According to the weather man,the temperature will be up 5C or so.据天气预报，气温将升高5C左右,Over&under,1.Pig iron is an alloy of iron and carbon with the carbon content more than two percent.生铁是铁碳合金，其
5、中碳含量超过2%.2.Only when a rocket attains a speed of 18,ooo odd miles per hour,can it put a manmade satellite in orbit.只有当火箭速度达到每小时18,000多英里时，才能把人造卫星送入轨道.3.Over/Above/More than/Not less than 100 chemical elements are known to man;of these about 80 are metals.人类已知的化学元素有100种以上，其中有80种是金属.4.Upwards of seven
6、 thousand medical workers have left fot the earthquake district.,有7000多名医务人员前往震区。5.The patients are children of three years old and upwards.这些病人是三岁和三岁以上的儿童.6.The efficiency of the best of these engines is under/below/less than/no more than 40%.这些发动机中效率最好的也不到40%.7.It took three years less than one mo
7、nth for them to develop the new material.他们花了三年差一个月研制这种材料.8.Helium(氮)in the air is a little under 1%.空气中氮的含量略低于1%.,at least&at most&between,1.They covered full twenty reference sources on AIDS in a single day.他们仅仅用了一天时间，就看完了足足20种有关艾滋病的资料.2.The motor ran 450 solid days on end.马达连续运转了足有450天.3.The expe
8、riment will take three days,at least.实验至少需要三天时间.4.The temperature at the suns center is as high as 10,000,000 C.太阳中心的温度高达摄氏1000万度.5.There were no less than fifty wounded in the traffic accident.在这场交通事故中，受伤者多达50人.,6.That solar-energy car weighs only/merely/barely/scarcely/but 500kg.那辆太阳能汽车仅重500公斤.7.I
9、nspection time for the installation was no more than 2 hours.检验安装欧诺工作仅用了两小时.8.There is only at most room for one person.至多只有可容纳一个人的空间.9.The energy of the fuel wasted by the reciprocat-ing steam engine is between 80 and/to 85 percent.往复式蒸汽机浪费的燃料能量为80%至85%.10.The ladle refining time takes on average b
10、etween3 and 4 hours depending on the treatment required.桶内精炼时间平均为3到4小时,这要视所需要的处理而定.,Numerals in multiples,1.The substance reacts three times as fast as the other.该物质的反应速度是那种物质反应速度的三倍.(Or该物质的反应速度比那种物质的反应速度快2倍)2.This line is by two times longer than that one.这条线的长度是那条线长度的2倍.(Or这条线比那条线长1倍)3.Mercury wei
11、ghs more than water by about 14 times.水银的重量约为水的14倍.(Or水银比水重13倍)4.The error probability of binary AM is greater than for binary FM by a factor of at least 6.二进制调幅的误差概率比二进制调频至少大5倍.(Or二进制调幅的误差概率至少是二进制调频的6倍),5.The wire is as long again as that one.这跟金属线的长度是那根的2倍.(Or这根金属线比那根金属线长1倍)6.This wire is again as
12、 long as that one.这根金属线的长度是那根的2倍.(Or这根金属线比那根金属线长1倍)7.This wire is half again as long as that one.这跟金属线的长度是那根金属线的1倍半.(Or这根金属线比那根金属线长半倍),(,Increase of numerals,带“增大”意思的动词:increase,grow,go up.V+n times;V+by/to+n times;V+n-fold;V+by a factor of,表“增加到 n倍,增加了(n-1)倍”,i.带“增大”意思的动词:increase,rise,grow,go up 连
13、接by+单位/n%,表净增量,数词 n 可照译 ii.用an increase of n/a n increase表净增多的数量,n 照译,用表示倍数的动词:double,treble,quadruple,quintuble,sextuple,septuple,octuple等,表示量的增加,1.The sales of industrial electronic products have multiplied six times.工业电子产品销售额增加了5倍2.The strength of the attraction increases by four times if the dis
14、tance between the original charges is behalved.如果原电荷的距离缩短一半,则引力就增大到原来的4倍.(Or.则引力比原来大3倍)3.This year,the production of this kind of machine in our plant is estimated to increase to 3 times compared with 1980.今年我厂这种机器的产量预计是1980年的3倍.(Or今年我厂这种机器的产量预计比1980年增长了2倍)4.By 1999 the production of primary copper
15、has increased five-fold.到1999年，原铜产量增长了4倍.,(,5.The drain voltage has been increased by a factor of 4.漏电压增加了3倍.6.The output went up 45,000 tons.产量增加了45000吨.7.The production has increased by 45%.生产已增加了45%.8.Automation will help us to raise the output of production by thirty percent.自动化能帮助我们提高产量30%.9.In
16、dustrial output rose by 0.9 percent in June.6月份产量增长了0.9%.10.The new airport will double the capacity of the existing one.新机场是现有机场容量的2倍.,(,11.The population has nearly trebled in forty years.人口在40年中增加了近2倍.12.The company quadrupled output to around 20 million tons.该公司把产量增至2000万吨左右，是原来的4倍.13.The output
17、 has been quintupled since 1998.1998年以来,产量已增长了4倍.14.There is an increase of 4.5 million tons of steel as compared with last year.钢产量比去年增加了450万吨.15.There is a 25%increase of steel as compared with last year.钢产量比去年增加了25%.,(,Decrease of numerals,用表示减少的动词：decrease,reduce.V+by n times;V+n times;V+by a fa
18、ct-or of+n;V+n timesas+adj/adv+as表示减少了n分之(n-1),减少到n分之1,用表示减少的动词：decrease,reduce,fall,lower,drop,decline等,连接by n/n%,以及用联系动词连接n less than表“净减量”,n照译,用表示减少的动词：decrease,reduce,fall,lower,drop.连接to+n/n%表示减少到n/n%,1.100 decreased by 90 is 10.100减去90等于10.2.The output decreased by 40%.产量下降了40%.3.The cost of r
19、adio receivers was reduced by 60%.收音机成本降低了60%.4.This process used 35%less fuel.这种工艺少用了35%的燃料.5.The price cost has decreased by the three times as against 1949.成本价格比1949年降低了2/3.6.The bandwith was reduced by two times.带宽减少了二分之一.,(,7.The pre-heating time for the new type thermal meter is shortened 5 ti
20、mes.这种新型热电式仪表的预热时间缩短了4/5.8.The length of laser tube was reduced ten times.激光管的长度缩短了十分之九.9.The equipment under development will reduce the error probability by a factor of 7.正在研制的设备将使误差概率减小到1/7.10.The error probability of the equipment was reduced by 2.5 times through technical innovation.通过技术革新该设备的误
21、差概率降低3/5.11.The new motor is 2 times as light as the old one.这台新电动机比原来那台轻了一半.,(,12.The output was reduced to 45,000 tons.产量降到了45,000吨.13.The pollution was reduced to 25%.污染减少到了25%.14.By the year 2003 the worlds annual oil output is expected to fall to 33%.到2003年,世界石油年产量预计将下降到33%.15.The temperature fell to 26 degrees below zero.温度降到零下26度.,(,by Ava Jean Jelly David,Thank you!,
