The phrase "has been rarely explored" is grammatically correct and can be used in written English.
It is often used to describe something that has not been thoroughly studied or investigated. Example: "The topic of mental health in the workplace has been rarely explored by researchers, leaving a gap in our understanding of its impact on employees."
The lived experience of patients undergoing oral chemotherapy has been rarely explored.
But the interface between a bulk metal and metal nanoparticles has been rarely explored.
4D has been rarely explored in the oil and gas industry, particularly Liquefied Natural Gas LNGG) plant construction.
However, it has been rarely explored how functional networks spatially overlap (or interact) and how such connectome-scale network interactions temporally evolve.
However, the impact of agricultural water use on the hydrologic cycle has been rarely explored by integrated SW-GW modeling, especially in large basins.
In the past efforts on geostatistical based methods, another popular technique called kriging has been rarely explored in road safety analysis.
However, the physical and mechanical properties of soils exposed to temperatures in the range of 100 °C to 200 °C have been rarely explored.
Systems integration issues, such as electrical and thermal design and management of full battery packs – often containing hundreds of cells – have been rarely explored in the academic literature.
"Despite scholars' ongoing historical and sociological investigations into the ancient family, the right and the status of the firstborn son have been rarely explored by NT scholars, and this topic has not attracted the careful attention that it deserves.
However, remotely controlled and interconnect-free silicon configurations have been rarely explored, because of limited fundamental understanding of the complex physicochemical processes that occur at interfaces between silicon and biological materials.
