A is n times as great（long，much，…）as B.（①）
A is n times greater （longer， more，…）than B.（②）
A is n times the size （length， amount，…）of B.(③)
e.g. This book is three times as long as (three times longer than/three times the length of) that one.
increase to n times（④）
increase n times／n-fold（⑤）
increase by n times（⑥）
increase by a factor of n（⑦）
e.g. The production of integrated circuits has been increased to three times as compared with last year.
e.g. The output of chemical fertilizer has been raised five times as against l986．
e.g. That can increase metabolic rates by two or three times.
e.g. The drain voltage has been increased by a factor of four.
（三）There is a n-fold increase/growth…（⑧）
e.g. A record high increase in value of four times was reported.
e.g. The efficiency of the machines has been more than trebled or quadrupled．
如： A is as much （large，long，…）again as B.（= A is twice as much （large，long，…）as B.（⑩）
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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