例文
- As a result, the magnitude of the band gap 2 | U _ { \ bold { G } } | collapses and the empty lattice approximation is obtained.
- But someone with a better understanding of articles like Electronic band structure, Nearly-free electron model, Empty Lattice Approximation, and so on needs to give a better answer . talk ) 20 : 59, 21 March 2011 ( UTC)