![]() |
| |||
second order R-K method |
二阶 R-K 法 : 22 phrases in 12 subjects |
Business | 2 |
Chemistry | 1 |
Computers | 1 |
Earth sciences | 4 |
Economy | 2 |
Electronics | 2 |
General | 1 |
Hydroelectric power stations | 2 |
Mathematics | 1 |
Space | 1 |
Technology | 4 |
Textile industry | 1 |