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利益成本比
 利 益成本比
water.res. benefit-cost ratio
|
 率
gen. lead
demogr. rate of natural increase
eng.geol. factor
hydroel.st. quotiety; rate
math. gradient
sport. rate
stat. quotient
tech. coefficient

to phrases
利 益成本比
water.res. benefit-cost ratio
利益成本比
: 5 phrases in 3 subjects
Economy1
International trade1
Water resources3