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(Ò») A is n timesas great£¨long£¬much£¬¡­£©as B.£¨¢Ù£©
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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Eg. This book is three times as long as £¨three times longer than£¬three
times the length of £©that one.
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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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Eg. The production of integrated circuits has been increased to three times
as compared with last year.
¼¯³Éµç·µÄ²úÁ¿±ÈÈ¥ÄêÔö¼ÓÁËÁ½±¶¡£
Eg. The output of chemical fertilizer has been raised five times as against
l986£®
»¯·Ê²úÁ¿±È1986ÄêÔö¼ÓÁË4±¶¡£
Eg. That can increase metabolic rates by two or three times.
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Eg. The drain voltage has been increased by a factor of four.
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Eg. A record high increase in value of four times was reported.
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£¨ËÄ£©double (Ôö¼Ó1±¶£©£¬treble£¨Ôö¼Ó2±¶£©£¬quadruple£¨Ôö¼Ó3±¶£©¡£(¢á)
Eg. 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.
¡¾= 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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Eg. The hydrogen atom is near1y l6 times as light as the oxygen atom.
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Eg. This sort of membrane is twice thinner than ordinary paper.
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×¢£ºµ±Ïà±ÈµÄ¶ÔÏóBºÜÃ÷ÏÔʱ£¬than/as B³£±»Ê¡È¥¡£
£¨¶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¡£
Eg. Switching time of the new-type transistor is shortened 3 times.
ÐÂÐ;§Ìå¹ÜµÄ¿ª¹Øʱ¼äËõ¶ÌÁË1/3£¨¼´Ëõ¶Ìµ½2/3£©¡£
Eg. 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£¥£©¡£
Eg. The equipment reduced the error probability by a factor of 5.
¸ÃÉ豸Îó²î¸ÅÂʽµµÍÁË4/5¡£
£¨Èý£©There is a n-fold decrease/reduction¡­
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Õâ¸ö¾äÐÍ»¹ÓÐÆäËüһЩÐÎʽ£¬
Eg. A rapid decrease by a factor of 7 was observed£®
·¢ÏÖѸËÙ¼õÉÙµ½1/7¡£
Eg. The principal advantage of the products is a two-fold reduction in
weight.
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