'main scope' is correct and usable in written English.
You could use this phrase to indicate a primary purpose or focus, for example: "The main scope of this project is to find innovative ways to reduce our carbon footprint."
He works as a journalist since 1996, the last six years in Sakala, where his main scope is culture.
One of the main scope of data digitalization is achieving more efficient factories.
The main scope and parameter in choosing stone materials for floorings are unquestionably safety and slip resistance.
The main scope is to assess the damage induced on an operating fuselage by an explosive charge.
For Lewarch, the grant will be used to illuminate aspects of her dissertation that were not addressed in the main scope of her work.
The main scope of the study is assessing the validity of different analytical solutions that can be derived for the problem.
The main scope of the review is to explore main hydrogel and microfludic technologies and innovations in merging those toward a better understanding of angiogenesis.
The main scope of this work is to test the sinterability of the composites and to design a composition for a very low thermal expansion submicron composite.
The main scope is to demonstrate the possibility to extend the working range of its spring contacts up to 200 °C.
The main scope of the project was to solve fleet-assignment, aircraft-routing, crew-pairing and crew-rostering problems on real-world data.
The main scope of this study is to synthesize natural hazard maps in a single multi-hazard map and thus to identify suitable areas for the urban development.
