The phrase "are essentially focused" is correct and usable in written English.
It can be used to describe the primary emphasis or concentration of a subject or activity.
Example: "The researchers are essentially focused on finding sustainable energy solutions to combat climate change."
Alternatives: "are primarily centered" or "are mainly directed".
These examples are essentially focused on instruction recovery but the algorithms also work on data recovery or on a combination of both instruction and data recovery.
You make sure you are standing on your mark – the lenses are essentially focused on a column of space in the middle of the booth, so you can't pose with your arms out to the side or your mini-me will emerge partially limbless – and the cameras click.
The end result: Both teams are essentially focused on "achieving the same thing together," as opposed to working independently of each other.
However, the VA's efforts are essentially focused on "curing" veteran problems rather than preventing them.
Such birds easily remain undetected because customs officers are essentially focused on metal objects, although airport scanners can theoretically detect bones of animals.
Both these tools are essentially focused in calculating the EFMs of a network and using those to perform the analysis of its metabolic capabilities.
Past research on Workload control has been essentially focused on discrete order release.
However, they have been essentially focused on the production and use of coarse recycled aggregates.
The Pango system, developed by entrepreneurs in Israel in 2007, is essentially focused on a smartphone app.
Discussion is essentially focused on cases where direct electron transfer between enzymes and electrochemical interfaces are involved.
The exploration was essentially focused on decompensatory segment (failure of maladaptive self-enhancement strategies) of this model.
