| |||
combinational problem | |||
combinatorial problem |
组合 问题 : 25 phrases in 12 subjects |
Consulting | 1 |
Cryptography | 1 |
Earth sciences | 2 |
Ecology | 1 |
Economy | 3 |
Electronics | 1 |
Environment | 1 |
Information technology | 1 |
Name of organization | 7 |
Programming | 2 |
Technology | 2 |
United Nations | 3 |