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| zweite Potenz; Quadrat einer Zahl | |||
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square of : 104 phrases in 20 subjects |
| Agriculture | 4 |
| Astronomy | 5 |
| Automated equipment | 1 |
| Automobiles | 1 |
| Construction | 9 |
| Fish farming pisciculture | 1 |
| General | 5 |
| Industry | 4 |
| Life sciences | 2 |
| Mathematics | 10 |
| Measuring instruments | 1 |
| Metallurgy | 2 |
| Microelectronics | 9 |
| Natural sciences | 1 |
| Nuclear physics | 1 |
| Optics branch of physics | 20 |
| Physics | 3 |
| Polygraphy | 1 |
| Statistics | 20 |
| Technology | 4 |