The phrase "as a primary focus" is correct and usable in written English.
It can be used to indicate that something is the main or most important aspect of a discussion, project, or analysis.
Example: "In our research, we have identified climate change as a primary focus for our environmental initiatives."
Alternatives: "as a main emphasis" or "as a central concern".
Students who select Industrial Organization as a primary focus are expected to also take ECON 260.
The conservancy certainly sees fund-raising as a primary focus of the effort.
It would be unfeasible to have any kind of serious childhood obesity strategy without sugar as a primary focus.
In a report scheduled for release in several weeks, the task force also found there were other state programs addressing literacy, but not as a primary focus.
Although research was identified as a need that develops over time, it was consistently regarded as a primary focus for development and required mentorship.
(The special agent in charge of the Bureau's criminal division in New York has recently referred to stopping internal leaks as a primary focus of his job, promising to deliver "heads on sticks").
Hafnia alvei was isolated using standard techniques; identification and susceptibilities to anti-microbial agents were determined using Vitek (Vitek AMS; bioMérieux Vitek Systems Inc., Hazelwood, MO .. Isolates were classified as to a primary focus of infection based on the available microbiology data.
First a Monte Carlo simulation study is conducted assuming medical cost as the outcome, as it is often a primary focus of health services research.
Several of the above caterers, such as Napoli Restaurant, have a primary focus of operating their restaurant and may not put as much emphasis on catering details.
Unfortunately, most past studies have been undertaken considering a wetland system as a lumped system with a primary focus on the reduction of the event mean concentration (EMC) values of specific pollutant species or total pollutant load removal.
I should stress here that, insofar as Brecht's critique has a primary focus, it isn't aimed at the audience for opera – AKA "the bourgeoisie", AKA you – but at the writers, composers, singers, critics and other allied trades who constitute what he terms "the apparatus".
