The phrase "sufficient variation" is grammatically correct and can be used in written English.
It refers to having enough diversity or difference in something. Example: The study showed that there was insufficient variation in the data, making it difficult to draw accurate conclusions.
The rigorous estimation of this association requires a sufficiently large number of airports with large surrounding populations, and sufficient variation in the exposure to aircraft noise.
As a consequence, they have retained sufficient variation for further selection within the improved germplasm.
Conversely, slowly evolving genes generally perform best for deeper relationships, but lack sufficient variation to resolve recent relationships.
There's sufficient variation in diets across countries and among individuals to suggest the trends in industrialised countries should not be seen as the inevitable fate of the emerging economies.
Studies suggest that total coral cover alone is a poor surrogate for habitat structural complexity17, the organization of reef associated species58, ecological function59, or reef recovery60, as it does not capture sufficient variation in structural complexity driven by benthic composition.
We considered whether the number of unstable divisions during the extended proliferation period available to the explants might have generated sufficient variation to allow the appearance of mutant clones resistant to the effect of our knockdowns.
In many occasions the experiments are performed according to an experimental design to make sure that sufficient variation is induced in the metabolite concentrations.
Here we test whether grain crops are a PFT, and whether diversification between grain crops, to other crops or livestock that feed on natural plants results in sufficient variation in water-use physiology to form a diversified agricultural portfolio.
However, Appendix A: Fig. 5 shows that within each birth cohort there is sufficient variation.
Secondary analyses reported results separately for men and women when sufficient variation in trauma variables was present.
The adopted small differences in the parameters of the utility function generate sufficient variation in the life cycle path of labor supply, consumption, and savings.
