| |||
★ 费用函数 | |||
成本函数; 成本功能 | |||
费用函数,成本函数 | |||
成本[费用]函数; 价值函数; 费用目标函数 | |||
值函数 | |||
★ 代价函数 |
cost functions : 40 phrases in 12 subjects |
Aviation | 1 |
Business | 11 |
Commerce | 1 |
Ecology | 2 |
Economics | 2 |
Electronics | 1 |
Finances | 2 |
Mathematics | 2 |
Nautical | 1 |
Oil / petroleum | 1 |
Technology | 15 |
Water resources | 1 |