The phrase "are largely provided" is correct and usable in written English.
It can be used when discussing the availability or supply of something, indicating that a significant portion is supplied or made available.
Example: "The resources for the project are largely provided by external partners, ensuring a diverse range of inputs."
Alternatives: "are mainly supplied" or "are predominantly offered".
She floats elegantly and easily over the beats here, which are largely provided by modern club innovators like Kingdom, Nguzunguzu and Jam City.
More foreign journalists have visited in recent years, but reports of what is going on inside are largely provided by state-controlled sources, who closely follow the party line.
The sociology, politics and history that give texture to this book are largely provided by the tale of Reichl's gradual separation from her first husband and growing acceptance of happiness with her second.
Things such as machine tools, infrared detectors and night-vision systems are largely provided by foreign suppliers, officials say, raising questions about whether the U.S. military would have access to them in a protracted war.
Among consumers, the main draw of the video streaming service is its robust portfolio of popular television shows, like NBC Universal's "The Office" and Fox's "Glee," which are largely provided by Hulu's content owners.
Since the conditions for metal removal are largely provided by the influents (high pH, alkalinity, Fe, Ca and ionic concentrations), the sediment will continue retaining metals as far as the composition of the influents remain the same.
Inner-city transportation is largely provided by motor vehicles.
The "balance" that obsessed him last season and was largely provided by Di María and Alonso has gone.
But the more than 12,000 missiles and rockets that the sheik said were in Hezbollah's arsenal were largely provided by Iran.
Instead, they have a high demand for other oxidative substrates and, in particular, lactate, which is largely provided by proliferating astrocytes through their high glycolytic capacity.
So despite the breakneck narrative pace, the physical energy in the production is largely provided by props and light; remarkably, there's so little dancing -- just one quickly aborted party minuet -- that no choreographer gets a credit.
