The phrase "largely dependent on" is correct and usable in written English. You can use it when you are talking about something that relies heavily on something else for its existence or success. For example, "The success of the project was largely dependent on the team's dedication."
Obama's 2008 victory was largely dependent on his two-to-one margin among Hispanic voters.
Monesterio is largely dependent on jamón for its exployment.
But that's largely dependent on your federal tax bracket.
This process is also largely dependent on PARP1-mediated PARylation.
The territory has been largely dependent on foreign workers.
A decade later, photography is largely dependent on the Internet.
However, the failure modes were largely dependent on its microstructure.
Chemotherapy against schistosomiasis is largely dependent on Praziquantel (PZQ).
Determining pain intensity is largely dependent on the patient's report.
DEM quality is then largely dependent on the imagery utilised.
Fetal development is largely dependent on the mother.
When I feel like I can't trust my brain 100%, Ludwig really comes in handy. It makes me translate and proofread faster and my output more reliable.
Claudia Letizia
Head Translator and Proofreader @ organictranslations.eu