英语中倍数关系怎么表达?详细一点

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  英语倍数表达法
  用英语表达"A 是 B 的 N 倍长(宽,高,大,重等)","A 比 B 长(宽,高,大,重等)N 倍" 或"A 的长度(宽度,高度,大
  小,重量等)是 B 的 N 倍",可用下列几种句型。

  1."A + be + 倍数 + as + 计量形容词原级 + as + B".
  This tree is three times as tall as that one. 这棵树是那棵树的三倍高。
  His father is twice as old as he. 他父亲的年纪有他两倍大。

  2."A + be + 倍数 + 计量形容词比较级 + than + B "
  The Yangtze River is almost twice longer than the Pearl River.
  长江差不多比珠江长两倍。
  The dictionary is exactly five times more expensive than that one.
  这本字典比那本恰好贵5倍。

  3."A + be + 倍数 + the + 计量名词 + of + B "
  The newly broadened square id four times the size of the previous one.
  新扩建的广场是未扩建时的四倍大。

  4."The + 计量名词 + of + A + be + 倍数 + that + of + B "
  The size of the newly broadened square is four times that of the previous one.
  新扩建的广场为以前的四倍大。

  5.其它
  I\'m twice/ double his age. 我的年龄是他的两倍。
  I\'ve paid five times the usual price for the stamp.
  我出了5倍于往常的价格买这枚邮票。
  The average income of the staff has been increased by 50 percent compared with last year. 与去年相比,该单位职工的
  收入增加了50%.
  The price of TVs are twofold( adj. 两部分的, 双重的) down over these years.
  近几年来,电视机的价格下降了两倍。
  
记得采纳 谢谢


参考技术A 一共有5个句型
1.倍数as 形容词或副词的原级 as
2, 倍数 比较级 than
3.倍数 the 名词性质(size length width weigth 等)of
4.the 名词倍数 what 从句
5 the 名词be倍数+that\those of
列子the road is 5 times as long as that one
the road is 5 times longer than that one
the road is 5 times the length of that one
the length of the is 5 times what that road is
the length of the road is 5 times that of that one .
参考技术B 1)n times +形容词(或副词)比较级+than…

times是用来表示“乘”的(used to indicate multiplication)n times就是“乘以n”的意思。不论在任何句型中都包括基数100%在内。

[1] Asia is four times larger than Europe.

误译:亚洲比欧洲大4倍。

正译:亚洲比欧洲大3倍。

评析:亚洲面积4400万平方公里,欧洲面积1016万平方公里。因此亚洲应该是欧洲面积的四倍,即亚洲比欧洲大3倍。

[2] Sound travels nearly 3 times faster in copper than in lead.

声音在铜中的传播速度几乎比在铅中快2倍。

评析:声音在铜中的传播速度为2100m/s,在铅中在的传播速度为710m/s,可见声音在铜中的传播速度几乎是铅中的3倍,而不是比铅快3倍。

[3] The volume of the earth is 49 times larger than that of the moon.

地球的大小是月球的49倍。

或:地球比月球大48倍。

2) n times +形容词(或副词)原级+as

[4] The oxygen atom is nearly 16 times as heavy as the hydrogen atom.

氧原子的重量几乎是氢原子的16倍。

评析:经查,氧原子的重量为15.9994,氢原子量为1。

[5] The mercury atom is about 5 times as heavy as calcium atom.

汞的原子重量大约为钙的5倍。

评析:经查,汞的原子量为200.59,钙的原子量为40.08。

3) by + n times

[6] The steel output has increased by two times.

钢产量已增加了一倍。

评析:即增加了(原数目-1)倍。

[7] The error probability of the equipment was reduced by 2.5 times through technical innovation.

通过技术革新,该设备的误差概率降低了3/5。

评析:reduced by 2.5 times,汉语中不说“降低到二点五”,这时应换算成整数分母,即降低到“五分之二”,或降低了“五分之三”。

[8] By using a new process the prime cost of the television set was reduced by 3.4 times.

采用一种新工艺使这种电视的主要成本降低了71%。

评析:算成整数分母,即“降低到5/17” 或“降低了12/17”,但这样仍不符合汉语习惯。在不要求绝对精确的情况下,可进一步换算成百分数,即“降低到29%”或“降低了71%”。

另外,由倍数换算成分数表示减少后的结果,译成“减少到几分之一”或“减少为几分之一”。例如,

reduce by 3 times 减少到1/3 或减少了2/3

reduce by 5 times 减少到1/5 或减少了4/5

reduce by 10 times 减少到1/10 或减少了9/10

4)“倍数+upon/over”结构表示“增加到n倍,增加了或超过了(n-1)倍”

[9] The industrial output in our factory this year is ten times over that of 1999.

今年我们工厂的产量比1999年增加10倍。(×)

今年我们工厂的产量是1999年的10倍。

[10] He is five times upon your age.

他是你年龄的5倍。

[11] The total output value of the city’s light industry has grown over three times as against last year.

这个城市的轻工业总产值比去年增长了两倍多。

[12] The number of the students in that school has been decreased more than 3 fold.

该校学生人数减少了2/3。(即减少到原来的1/3)

[13] The grain output in that county was two times over that of 1995.

那个县的粮食产量比1995年增加了一倍。

5) 增减意义的动词+倍数

应为“增加到原来的n倍”或 “增加了(n-1)倍”

[14] The cotton output in the county has increased four times.

该县棉花产量增加了3倍。

[15] The sales of TV set have risen 3.5 fold.

电视机销售量增加了2倍半。

[16] The weight of the bicycle has decreased 3 times.

这种自行车的重量减少了2/3。(即减少到1/3)

[17] The length of the rope has been shortened 5 fold.

绳子的长度缩短了4/5。(即缩短到1/5)

[18] If there were a bridge here, the distance would be shortened 4 times.

如果这里有座桥,距离将缩短3/4。

6)“表示增减意义的词+to+倍数”句型常译为“增(降)至n倍”

[19] The number of the students has increased to three times.

学生人数增加到3倍。

[20] The price of rice has reduced to two thirds.

大米的价格减到原价的2/3。

① Exceed (increase, decrease, reduce)+by a factor of +倍数

增加到n倍,减少到1/n倍

[21] The speed exceeded the average speed by a factor of 2.5.

该速度超过平均速度的1.5倍。

[22] The price of farm tools has decreased by a factor of 4.

农具降到原价的1/4。

[23] This equipment will reduce the error probability by a factor of 5.

这种设备使误差概率降低到原来的1/5。

② 表示“2倍”时,不能用two times,除了twice外,还可以用double, as …again as等

[24] He demanded double the usual fee.

他要了比平常多1倍的路费。

[25] A is as long again as B.

A的长度是B的2倍。

③ 表示“3倍”时,除可用three times外,还可用动词treble或triple等表示。

[26] The grains in the area have trebled this year.

今年这个地区的粮食增加了2倍。

[27] Output should triple by next year.

到明年产量应增至三倍。

④ 在表示“4倍”或“4倍以上”时,除用“基数词+times”外,还可用“基数词+fold”的合成词。

[28] We have produced four-fold as many electric fans as we did last year.

本年我们生产的电扇数量相当于去年的4倍。

[29] During that period its total output of industry increased (to) ten-fold.

在那个时期,工业总产值增加了9倍。

⑤ 在表示“不到1倍”时,还可用“分数+as …again as”表示。

[30] A is half as much again as B.

A比B多一半。

7) 倍数+the size (length, height) of …表示

[31] Shanghai is about 4 times the size of Changsha.

Shanghai is about 4 times as large as Changsha.

上海大约有长沙的4倍那么大。

[32] In this workshop the output of July was 3.5 times that of January.

In this workshop the output of July was 3.5 times as much as that of January.

这个车间7月份的产量是1月份的3.5倍。
参考技术C 用“数词+times+as 形容词/副词原级 as"
比如:A是B的2倍长(A is two times as long as B)
参考技术D 把倍数放在as...as结构前或比较级前 第5个回答  2013-04-11 multiple ex. 25 is a multiple of 5. 25是5的倍数...

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