Affective factors also play an important role in systematic variation.

The third stage is particularly concerned with how systematic variation in the characteristics of events affects the way in which they are categorised.

There is no apparent systematic variation in age of plutons compared to their position within the batholith.

Different manuscripts show significant systematic variations in vocalization.

The process involved the development of systematic variations of specific ingredients in the formula which then were tried by voluntary subjects.

To have escaped notice until now, any systematic variations in the magnetic flux had to be minuscule, little more than background noise.

The measured signals or spectra will shown systematic variations that are processed with 2D correlation analysis for interpretation.

There is systematic variation in forms across some noun phrases that do and do not involve N-ellipsis.

By minimizing these systematic variations, true biological differences can be found.

There was a systematic and consistent variation in what they apparently had to say.