The phrase "a main advantage of" is correct and usable in written English.
It can be used when discussing the primary benefit or positive aspect of a particular subject or topic.
Example: "A main advantage of using renewable energy sources is their positive impact on the environment."
Alternatives: "a key benefit of" or "a primary advantage of".
A main advantage of 3-D printing is that users can customize items to their personal needs — for example, by adjusting the sizes and shapes of parts.
A main advantage of graphene oxide (GO) over other materials is the high tunability of its surface functional groups and of its electric conductivity.
A main advantage of the method is its ability to determine the most critical locations for placing multiple point loads that cause the beam's plastic failure.
A main advantage of the proposed method is that it does not require a solution of the original partial differential equations.
A main advantage of the proposed strategy is that the control actions are obtained by solving a system of linear equations.
A main advantage of the BEA is its flexibility, as it does not impose a fixed mathematical form on the EDP|IM relationship (unlike other approaches such as the standard cloud method).
A main advantage of the proposed decomposition and control is that it allows any variation of information structure constraints of the system, especially the increase and decrease of subsystem numbers.
Compared to paying for a weekly session with a private therapist, the main advantage of a mental health app is that there's often no time or financial commitment.
The main advantage of a FCV compared to a BEV is a much bigger range and quick refilling of the tank.
Taking greater amount of statistical data into consideration for a decision is the main advantage of the S-MV that makes it superior to MV.
For liberals, the main advantage of a VAT is that it would be a source of revenue to fund a robust, compassionate government.
