Random triples
| Subject | Object |
|---|---|
| gptkb:Strontium_optical_lattice_clock | optical transition of strontium atom |
| gptkb:rubidium_atomic_clock | yes |
| Subject | Object |
|---|---|
| gptkb:Strontium_optical_lattice_clock | optical transition of strontium atom |
| gptkb:rubidium_atomic_clock | yes |