A spectrum can be scarce.Logical formLearned from10 sentences. Spectrum can be with licenses.Logical formLearned from10 sentences. (Spectrum licenses) may pertain-to a government-agency.Logical formLearned from10 sentences. An area may pertain-to an electromagnetic spectrum.Logical formLearned from10 sentences. Visible regions may pertain-to an electromagnetic spectrum.Logical formLearned from10 sentences. A spectrum can be solar.Logical formLearned from10 sentences. A spectrum can be constituted-of-or-filled-with defects.Logical formLearned from10 sentences. A spectrum may be made available.Logical formLearned from10 sentences. Spectrum may undergo a licensing.Logical formLearned from10 sentences. A (spectrum resource) may undergo a use.Logical formLearned from10 sentences. A spectrum can be constituted-of-or-filled-with initiatives.Logical formLearned from10 sentences. A spectrum may pertain-to sciences.Logical formLearned from10 sentences. A spectrum may undergo a computation.Logical formLearned from10 sentences. A spectrum can be constituted-of-or-filled-with hardware.Logical formLearned from10 sentences. A spectrum can be constituted-of-or-filled-with schools.Logical formLearned from10 sentences.