A signal can be chemical.Logical formLearned from179 sentences. A country may send signals.Logical formLearned from168 sentences. Signals can be faint.Logical formLearned from163 sentences. (Television signals) can be digital.Logical formLearned from163 sentences. Signal can be to (noise ratio).Logical formLearned from163 sentences. Signals can be complex.Logical formLearned from162 sentences. A signal can be to a world-city.Logical formLearned from160 sentences. A signal can be to a market.Logical formLearned from157 sentences. Signal may process algorithms.Logical formLearned from156 sentences. A frequency may pertain-to a signal.Logical formLearned from155 sentences. Signals can be biological.Logical formLearned from154 sentences. Signals may undergo a use.Logical formLearned from152 sentences. A signal may be sent.Logical formLearned from151 sentences. Signal can be to noise.Logical formLearned from151 sentences. Signals can be missed.Logical formLearned from149 sentences.