(Measurement systems) can be digital.Logical formLearned from4 sentences. Persons may perform measurements.Logical formLearned from4 sentences. (Measurement standards) can be basic.Logical formLearned from4 sentences. Measurement can be in samples.Logical formLearned from4 sentences. (Fuel rods) may undergo measurements.Logical formLearned from4 sentences. Measurements may undergo a variance.Logical formLearned from4 sentences. A measurement can be binary.Logical formLearned from4 sentences. Measurements may shed light on a nature of a dark energy.Logical formLearned from4 sentences. Measurements may undergo a variance.Logical formLearned from4 sentences. Constants may undergo a measurement.Logical formLearned from4 sentences. Spectrometers can be for measurements.Logical formLearned from4 sentences. Measurements can be tools.Logical formLearned from4 sentences. Measurements may pertain-to a year.Logical formLearned from4 sentences. (Volunteer behavior) may undergo a measurement.Logical formLearned from4 sentences. (Microwave background measurements) can be cosmic.Logical formLearned from4 sentences.