(Wave field stratigraphies) can be elastic.Logical formLearned from2 sentences. Displacements can be elastic.Logical formLearned from2 sentences. A (wave field) can be elastic.Logical formLearned from2 sentences. An end of an elastic band may be attached to a top of a building.Logical formLearned from2 sentences. Protons can be elastic.Logical formLearned from2 sentences. A (supply curve) can be elastic.Logical formLearned from2 sentences. A (strength ratio) can be elastic.Logical formLearned from2 sentences. A turf can be elastic.Logical formLearned from2 sentences. A (deformation energy) can be elastic.Logical formLearned from2 sentences. A tunneling can be elastic.Logical formLearned from2 sentences. Matchings can be elastic.Logical formLearned from2 sentences. Insteps can be elastic.Logical formLearned from2 sentences. A face can be elastic.Logical formLearned from2 sentences. A (body force) can be elastic.Logical formLearned from2 sentences. Some term can be elastic in an application.Logical formLearned from2 sentences.