Sentence examples for a challenging variation from inspiring English sources

Like other children, he loves Transformers, Game Boy and "Tom and Jerry," but he is also a virtuoso; at 5, he masters a challenging variation by the Russian composer Dmitri Kabalevsky.

The interaction between the temporal and spatial aspects turns the problem into one of the most challenging variations of vehicle routing.

The technique will need more validation in challenging variations of PV anatomy and may depend on patient selection.

See more challenging variations and limitations in the Tips below.

Single-leg pushups are among the most challenging variations.[11] You will probably need to work up to these.

However, RV detection is still a challenging problem due to variations in morphology of the vessels on a noisy background.

Setting up a work study program is a challenging process due to its variation by location and institution.

Identifying factors affecting gene expression variation is a challenging problem in genetics.

Face recognition under varying pose is a challenging problem, especially when illumination variations are also present.

Cloud classification of ground-based images is a challenging task due to extreme variations under different atmospheric conditions.

This research addresses human detection in the recorded videos, which is a challenging task in terms of variations in color, movement, appearance, etc. [11].