| |||
| dual-trace | |||
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| dual-trace | |||
|
zweistrahl : 8 phrases in 6 subjects |
| Biology | 1 |
| Electronics | 1 |
| General | 2 |
| Measuring instruments | 1 |
| Medical appliances | 1 |
| Optics branch of physics | 2 |
| |||
| dual-trace | |||
| |||
| dual-trace | |||
|
zweistrahl : 8 phrases in 6 subjects |
| Biology | 1 |
| Electronics | 1 |
| General | 2 |
| Measuring instruments | 1 |
| Medical appliances | 1 |
| Optics branch of physics | 2 |