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A is n times greater £¨longer£¬ more£¬¡­£©than B.£¨¢Ú£©
A is n times the size £¨length£¬ amount£¬¡­£©of B.(¢Û)
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increase n times£¯n-fold£¨¢Ý£©
increase by n times£¨¢Þ£©
increase by a factor of n£¨¢ß£©
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e.g. The production of integrated circuits has been increased to three times
as compared with last year.
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e.g. The output of chemical fertilizer has been raised five times as against l986£®
»¯·Ê²úÁ¿±È1986ÄêÔö¼ÓÁË4±¶¡£
e.g. That can increase metabolic rates by two or three times.
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e.g. The drain voltage has been increased by a factor of four.
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e.g. A record high increase in value of four times was reported.
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e.g. The efficiency of the machines has been more than trebled or quadrupled£®
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A is as much £¨large£¬long£¬¡­£©again as B.£¨= A is twice as much £¨large£¬long£¬¡­£©as
B.£¨¢â£©
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A is half as much £¨large£¬ 1ong£¬¡­£©again as B.
(= A is one and a half times as much £¨large£¬ 1ong£¬¡­£©as B.)£¨11£©
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£¨Ò»£©a is n times as small £¨light£¬slow£¬¡­£©as b.£¨12£©
a is n times smaller £¨lighter£¬ slower£¬¡­) than b.£¨13£©
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e.g. The hydrogen atom is near1y l6 times as light as the oxygen atom.
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e.g. This sort of membrane is twice thinner than ordinary paper.
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£¨¶þ£©decrease n times/n--fold £¨14£©
decrease by n times£¨15£©
decrease by a factor of n£¨16£©
ÒÔÉÏÈýʽ¾ùÒëΪ£º¼õÉÙµ½1/n[»ò£º¼õÉÙ(n-1)/n]¡£
decrease³£±»reduce£¬ shorten£¬ go£¯slow downµÈ´ÊÌæ´ú¡£
e.g. Switching time of the new-type transistor is shortened 3 times.
ÐÂÐ;§Ìå¹ÜµÄ¿ª¹ØÊ±¼äËõ¶ÌÁË1/3£¨¼´Ëõ¶Ìµ½2/3£©¡£
e.g. When the voltage is stepped up by ten times£¬ the strength of the current
is stepped down by ten times.
µçѹÉý¸ß9±¶£¬µçÁ÷Ç¿¶È±ã½µµÍ9/10£¨¼´90£¥£©¡£
e.g. The equipment reduced the error probability by a factor of 5.
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e.g. The principal advantage of the products is a two-fold reduction in weight.
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