mul·ti·pli·ca·tive /ˌmʌltəˈplɪkətɪv, ˈmʌltəpləˌketɪv/
(a.)增加的
Mul·ti·pli·ca·tive a. Tending to multiply; having the power to multiply, or incease numbers.
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multiplicative
adj : tending or having the power to multiply or increase in
number or quantity or degree; "the multiplicative
tendency of proportional representation"