The phrase "vast variability" is correct and usable in written English.
It means that there is a wide range of different possibilities or options. For example: "There is a vast variability of different countries around the world with their own unique cultures."
The market displays vast variability over time for each of the liquidity measures.
Wu and Jiang (2013) confirmed the vast variability in the strain efficiency values (0.274 1.133) published in the literature.
The vast variability in disease-inducing mutations and resulting phenotypes has hampered the development of therapeutic interventions.
As the species and the concentration of serum proteins show vast variability, wild-type (WT) and ob/ob mice were chosen for the serum protein preparation.
One of the limiting factors in the use of biomass feedstock for power generation is the energy density and its vast variability within different types of woody biomass.
These average levels were still much higher than the rates of England overall (22% and 18%), but revealed important improvements though there was still vast variability across SSLP areas (range 12%to64%4%).
In addition, there exists vast genetic variability among the different strains of virulent serogroup B bacteria, and hence no single vaccine is capable of effectively protecting against all potential epidemic strains.
In the process of setting WQC it is central to try to mimic organism exposure in natural environments [9], which can be difficult, given the vast natural variability within and among natural aquatic ecosystems.
The vast genetic variability reported in rice in response to salinity makes it amenable to genetic manipulation to further enhance its tolerance (Akbar et al. 1972; Flowers and Yeo 1981).
Finally, some of the vast trait variability within lianas may be reduced when species with different climbing mechanisms are considered separately, and when phylogenetic conservatism is accounted for.
23, 24 This vast polypharmacy variability between NHs emphasizes, from our point of view, the real possibility if not the necessity to reduce polypharmacy rates.
