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 |
| |||
benefit-cost ratio |
利益成本比 : 5 phrases in 3 subjects |
Economy | 1 |
International trade | 1 |
Water resources | 3 |