Periods can be constituted-of-or-filled-with fluctuations.Logical formLearned from7 sentences. Fluctuations can be in a production.Logical formLearned from7 sentences. Fluctuations can be a factor.Logical formLearned from7 sentences. (Water levels) may undergo fluctuations.Logical formLearned from7 sentences. Fluctuations can be on a road.Logical formLearned from7 sentences. Fluctuations can be in an orbit.Logical formLearned from7 sentences. Fluctuations can be in (product demand).Logical formLearned from7 sentences. Water may undergo fluctuations.Logical formLearned from7 sentences. Fluctuations may reflect an uncertainty.Logical formLearned from7 sentences. (Water levels) may undergo a fluctuation.Logical formLearned from7 sentences. Fluctuations may take place.Logical formLearned from7 sentences. An environment may undergo fluctuations.Logical formLearned from7 sentences. Fluctuations can be in velocity.Logical formLearned from7 sentences. Moments may undergo fluctuations.Logical formLearned from7 sentences. Climate may undergo fluctuations.Logical formLearned from7 sentences.