不 变的 : 187 phrases in 14 subjects |
Business | 6 |
Economy | 1 |
Education | 3 |
Electronics | 6 |
Finances | 1 |
General | 105 |
Geology | 1 |
Mathematics | 13 |
Mechanics | 1 |
Oil processing plants | 1 |
Philosophy | 2 |
Quality control and standards | 1 |
Technology | 45 |
United Nations | 1 |