The phrase "may slightly vary" is a correct and usable part of a sentence in written English.
You can use it to emphasize the potential of a small variation in something that has been previously stated. For example, "The exact amount of the fee may slightly vary."
Note that data may slightly vary when retrieved at different time points.
The SVD coefficients of an image may slightly vary with these changes.
Because the actual elbow rotation axis may slightly vary over the flexion extension trajectory, we constructed two evaluation sets of optimal lateral elbow images, both based on the same average elbow rotation axis: one set including images of the five elbows in extension (0° flexion) and one set including images of the five elbows in 100° flexion.
Since the hybridization conditions may slightly vary between experiments, for quantification of the mean value for several independent experiments, the control value of each experiment was considered 100% and the experimental values were calculated accordingly.
Values may slightly vary depending on, say, the continent where a sample was taken.
Likewise, the length of the SVS on SWI may slightly vary with field strength.
The angle of viewing may be slightly varied, but the hypnotic rhythms of the water in its continual heaving remain a constant, implying -- whether the artist intends it or not -- the eternal nature of the universe.
Baseline ImPACT testing was conducted in group settings during the pre-season and under the supervision of a sports medicine professional trained in the administration of ImPACT [38]; however, group sizes or administration procedures may have slightly varied across sites.
The difference in the major type of CP expressed between the genotypes may explain the slightly varied pathology described in experimental cross-infection of the hosts but the significance of this has yet to be elucidated [ 10, 16].
In theory, DTW is most suitable for voice wave patterns because exact matching for such patterns often may not occur, and voice patterns may vary slightly in the time domain.
In the usual historical strategy, units may only vary slightly from each other, but here the hulking greenskins play completely differently to the dwarves, while vampire counts barely need an army.
