| |||
| x-,y-,z-,... | |||
|
z : 38 phrases in 14 subjects |
| Automatic control | 1 |
| Communications | 3 |
| Earth sciences | 6 |
| Electrical engineering | 1 |
| Electronics | 2 |
| General | 4 |
| Health care | 1 |
| Industry | 4 |
| Information technology | 3 |
| Lighting other than cinema | 1 |
| Mathematics | 6 |
| Microsoft | 3 |
| Scientific | 1 |
| Statistics | 2 |