"maintain feature" is correct and usable in written English.
You can use it whenever you need to refer to a specific feature that needs to be kept or maintained. For example, "In order to ensure a successful product launch, it is important to maintain the key features that our customers are looking for."
Most oncocytic tumors are generally metabolically constrained due to the impaired respiratory capacity and lack of the ability to respond to hypoxia, yet they maintain features that allow them to strive and persist in an indolent form.
Minecraft long ago made the switchover from niche indie game to global platform, and so far the various versions have more or less maintained feature parity.
Excluding TAGmapper [16] and DicoverySpace [17], which are no longer maintained, feature comparisons are made as shown in Table 1 between hSAGEing and other available SAGE software tools.
Photolithography can be used to fabricate microstructures composed of UV photo-cross-linkable heparins while maintaining feature fidelity.
They restored it, maintaining features like the 4-foot, or 1.2-meter, stone walls.
A painting they did according to this recipe — the ideal painting for Americans, they maintained — featured George Washington and some present-day picnickers by a bucolic lake with a hippo in the background.
But even with all of the upcoming feature packs, it may have trouble maintaining feature-hungry users' attention for much longer than a few goes.
Furthermore, dissociated YFP+ cells from tertiary neurospheres were propagated in vitro for more than 10 IVPs, maintaining features of neural stem cell cultures (not shown).
Using this approach, we were able to validate using real-time-PCR a core set of gene expression differences that showed statistical significance in each of the temporally distinct cohorts, representing consistently maintained features of the model.
It has also been shown, that site-specific HOX expression in fibroblasts maintains features of the embryonic HOX pattern over decades in vivo and over numerous cell divisions in vitro [36].
