The phrase "availability of different regions" is correct and usable in written English.
It can be used when discussing the accessibility or presence of various geographical areas or locations in a specific context.
Example: "The availability of different regions for agricultural development is crucial for ensuring food security."
Alternatives: "accessibility of various areas" or "presence of diverse regions".
The horizontal comparisons of different regions and data availability contribute to the use of 2010 cross-sectional data in this research.
The company is expected to unveil specifics on pricing and availability in different regions at the launch.
Third, telling people that one or two species of fish are low in contaminants, while not addressing others, may pose a problem in terms of the marketplace or industry equity, and, finally, the availability of different species of fish differs among geographical regions of the state, and contaminant data on the commonly available fish will be most useful.
With the availability of different genomewide association studies, chromosomal regions harboring novel, previously unrecognized, genes that may contribute to renal diseases have been recently reported.
The availability of different Pi7C members permits analysis of which regions are more conserved than others along the Pi7C peptide.
As shown in Supporting information, Table S1, the availability of different types of waste feedstocks varies by country and regions.
Caution should be exercised when extrapolating our data to the national level because there may be regional differences in public and private sector availability of medicines across the different regions of the country.
Large disparities in the assessment of population's health awareness, prevention activities and the availability of specialized treatment between different regions of Europe are still recognized with the highest incidence rates in Central Europe, Eastern Europe and the countries of the former Soviet Union.
The availability of different metaphors orients the whole language towards a subtly different, and perhaps unique, view of time.
