The phrase "already preserves" is correct and usable in written English.
It can be used when discussing something that has been maintained or kept intact up to the present moment.
Example: "The ancient manuscript already preserves the original text, making it invaluable for researchers."
Alternatives: "has already maintained" or "has already kept".
In the differencing process, compared with the full differential observation set, any subset related to a single reference already preserves the full data information. .
As far as the differencing process is concerned, the differential observation set associated with a single reference already preserves the full data information. .
However, from the above conclusions, it is clear that the considered subset already preserves all the information (independent of the reference), which implies that the full set obtains no more information than any subset does.
DNA already preserves life itself now it might also preserve life as we live it.
"The city centre is already preserved.
In the case of the ornithischians, there are two dinosaurs that already preserve some covering that is at least non-scaly.
The East Hampton preserve would encompass two separate but nearly abutting areas in the western part of the town and an area near Montauk that is already preserved as parkland.
The birds, sometimes muscled, sometimes only skeletons, all drawn from real specimens that either died accidentally or were already preserved in collections, are posed as they might have been in life — flying, standing, walking.
Arlington Marsh, though it has had its share of degradation, was particularly sought after because it links an already preserved inland marsh, Mariners Marsh, to the Kill Van Kull, the waterway that separates Staten Island from Bayonne, N.J.
Back-lighted murals of pastoral scenes, a memorable feature over the last 70 years of the theater's movie-house history, have been added to the six already preserved on the walls inside.
This is a controversial decision in curatorial circles, but it works well, because the selection of architectural drawings and models, of chairs and cameras and even computers (it's fun to see one of those faddish iMacs, dated 1998, already preserved in a display case) has been rigorous.
