倍数的翻译
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例：There is a 25% increase of steel as compared with last year. 钢产量比去年增加了25％。
8. “decrease ( reduce, fall, lower,等) + by n 或n%”;“（系）动词 + n或 n% less (than)” 表示净减量，所减数字n均可照译。 例：180 decreased by 80 is 100. 180减去80等于100。 例：The cost decreased by 40%. 成本下降了40％。 例： This new process used 35 % less fuel. 这种工艺少用了35％的燃料。
9. “decrease (reduce，fall等）+ (by) n times” “decrease (reduce，fall等）+ n times as + a. (ad.) + as” “decrease (reduce，fall等）+ by a factor of n “减少到n分之1” 或“减加少了n分之（n－1）” 例： The enterprise management expenditure this year has decreased by three times as against that of 2002. 该企业今年的行政管理开支比2002年降低了2/3。
5.“increase (rise, grow, go up等) +(by) n times” “increase (rise, grow, go up等) + to + n times” “increase (rise, grow, go up等) + n-fold” “increase (rise, grow, go up等) + by a factor of + n” “增加到n倍”、“增加了（n－1）倍” 例：The population of this county has increased by a factor of 5. 该县的人口已经增长了4倍。
2. “n times + a.(ad.)比较级+than ”
“是…的n倍”或“比…大（n－1）倍”
例1： This power plant is four times larger than that one. 这个发电站比那个发电站大三倍。 例2：Kuwait oil wells yield nearly 500 times more than U.S. wells.
“是…… n倍”或“比…… 多n-1 倍” 例1： He is five times upon your age.
他的年龄是你的5倍。 例2：The total output value of the city’s light industry has grown three times over that of last year. 这个城市的轻工业总产值比去年增长了两倍。
倍数的译法
1. “be n times as ＋a. (ad.)+ as”
1. “be n times as ＋a. (ad.)+ as” ＋a. (ad.)+ as”
“是…的n倍”或“比…大（n－1）倍”
例1: The grain output of this year is about three times as great as that of last year. 今年的粮食产量大约是去年的3倍/比去年 多两倍左右。 例2：Asia is four times as large as Europe. 亚洲比欧洲大3倍。（或：亚洲是欧洲的4 倍大。）
例：The price of farm tools has decreased by a factor of 4.
农具价格降到原价的1/4。 例： The error probability of the equipment was reduced by 2.5 times through technical innovation.
7. “an increase of n+单位”或“a n% increase of” 表示净增量，数词n 照译。
例：There is an increase of 4.5 million tons of steel as comp比去年增加了450万吨。
通过技术革新该设备误差概率降低了3/5。
科威特油井的产油量几乎是美国油井 的500倍。
3.“be as + a. (ad.)+ as” again “again as” as+； a. (ad.) + as” 3.“be as +again a. (ad.)+ “是“ …… 的两倍”或“比 多一倍” again as+ a. (ad.)…… + as” 另外，若 again 之前有 half ，则表示“比 … 长（大，宽，多 …）半倍”；若again 之前 有 much 或 many ，则表示“比 … 长（大， 宽，多…）一倍”。 例1：1. This wire is as long again as that one. 这根金属线的长度是那根的两倍。
例2：Brown has half as many books again as Peter does. 布郎的书比彼得的书多一半。
例3：Prof. Peter has books as many again as I do. 彼得教授的书比我的书多一倍。
4. “n times + upon/over”
6. “increase (rise, grow, go up) +by n +单位 （或n %）” 表示净增量，数词n等照译。
例：The output went up by 45 000 tons.
产量增加了45 000 吨。 例：The production has increased by 5 %. 生产已增加了5％。
例：By 2004 the production of primary copper has increased fivefold. 到2004年，原铜产量增长了4倍。 例： The sales of industrial electronic products have multiplied 5 times. 工业电子产品销售额增加了4倍。 例： The steel output has increased by three times. 钢产量已增加了两倍。 例：The price of rice has increased to three times. 大米的价格涨到了原价的3倍。
8. “decrease ( reduce, fall, lower,等) + by n 或n%”;“（系）动词 + n或 n% less (than)” 表示净减量，所减数字n均可照译。 例：180 decreased by 80 is 100. 180减去80等于100。 例：The cost decreased by 40%. 成本下降了40％。 例： This new process used 35 % less fuel. 这种工艺少用了35％的燃料。
9. “decrease (reduce，fall等）+ (by) n times” “decrease (reduce，fall等）+ n times as + a. (ad.) + as” “decrease (reduce，fall等）+ by a factor of n “减少到n分之1” 或“减加少了n分之（n－1）” 例： The enterprise management expenditure this year has decreased by three times as against that of 2002. 该企业今年的行政管理开支比2002年降低了2/3。
5.“increase (rise, grow, go up等) +(by) n times” “increase (rise, grow, go up等) + to + n times” “increase (rise, grow, go up等) + n-fold” “increase (rise, grow, go up等) + by a factor of + n” “增加到n倍”、“增加了（n－1）倍” 例：The population of this county has increased by a factor of 5. 该县的人口已经增长了4倍。
2. “n times + a.(ad.)比较级+than ”
“是…的n倍”或“比…大（n－1）倍”
例1： This power plant is four times larger than that one. 这个发电站比那个发电站大三倍。 例2：Kuwait oil wells yield nearly 500 times more than U.S. wells.
“是…… n倍”或“比…… 多n-1 倍” 例1： He is five times upon your age.
他的年龄是你的5倍。 例2：The total output value of the city’s light industry has grown three times over that of last year. 这个城市的轻工业总产值比去年增长了两倍。
倍数的译法
1. “be n times as ＋a. (ad.)+ as”
1. “be n times as ＋a. (ad.)+ as” ＋a. (ad.)+ as”
“是…的n倍”或“比…大（n－1）倍”
例1: The grain output of this year is about three times as great as that of last year. 今年的粮食产量大约是去年的3倍/比去年 多两倍左右。 例2：Asia is four times as large as Europe. 亚洲比欧洲大3倍。（或：亚洲是欧洲的4 倍大。）
例：The price of farm tools has decreased by a factor of 4.
农具价格降到原价的1/4。 例： The error probability of the equipment was reduced by 2.5 times through technical innovation.
7. “an increase of n+单位”或“a n% increase of” 表示净增量，数词n 照译。
例：There is an increase of 4.5 million tons of steel as comp比去年增加了450万吨。
通过技术革新该设备误差概率降低了3/5。
科威特油井的产油量几乎是美国油井 的500倍。
3.“be as + a. (ad.)+ as” again “again as” as+； a. (ad.) + as” 3.“be as +again a. (ad.)+ “是“ …… 的两倍”或“比 多一倍” again as+ a. (ad.)…… + as” 另外，若 again 之前有 half ，则表示“比 … 长（大，宽，多 …）半倍”；若again 之前 有 much 或 many ，则表示“比 … 长（大， 宽，多…）一倍”。 例1：1. This wire is as long again as that one. 这根金属线的长度是那根的两倍。
例2：Brown has half as many books again as Peter does. 布郎的书比彼得的书多一半。
例3：Prof. Peter has books as many again as I do. 彼得教授的书比我的书多一倍。
4. “n times + upon/over”
6. “increase (rise, grow, go up) +by n +单位 （或n %）” 表示净增量，数词n等照译。
例：The output went up by 45 000 tons.
产量增加了45 000 吨。 例：The production has increased by 5 %. 生产已增加了5％。
例：By 2004 the production of primary copper has increased fivefold. 到2004年，原铜产量增长了4倍。 例： The sales of industrial electronic products have multiplied 5 times. 工业电子产品销售额增加了4倍。 例： The steel output has increased by three times. 钢产量已增加了两倍。 例：The price of rice has increased to three times. 大米的价格涨到了原价的3倍。