| |||
utility factor | |||
effectiveness factor | |||
utilization coefficient | |||
utilization factor |
效用系 数 : 30 phrases in 7 subjects |
Architecture | 1 |
Bridge construction | 1 |
Earth sciences | 3 |
Electronics | 4 |
Hydroelectric power stations | 1 |
Metallurgy | 13 |
Technology | 7 |