The phrase "a combination of underlying" is correct and usable in written English.
It can be used when discussing elements or factors that work together beneath the surface of a concept or issue.
Example: "The success of the project was due to a combination of underlying factors, including teamwork, communication, and resource management."
Alternatives: "a blend of foundational" or "a mix of core".
Rather, a combination of underlying trends came together in one month to push the rate down.
This may be due to a combination of underlying genetic variations and/or environmental factors.
We believe this to be secondary to a combination of underlying congenital stenosis, manifest by short pedicles secondary to premature physeal closure, and hypertrophic ossification of the vertebral bony and ligamentous complexes.
However, all three types of adversity are likely to reflect a combination of underlying psychosocial need and environmental and social stressors.
The underlying biology of copy numbers has been modelled and assumes that CGH data are a combination of underlying DNA copy number with a component of Gaussian noise.
While the precise mechanisms are unknown, cognitive impairment in older people with depressive symptoms may be due to a combination of underlying cerebrovascular disease, as well as the direct neurotoxic effects of depression itself.
The model is a linear combination of underlying support for the event in question and a term that reflects a prior belief that all elements in the state space partition are equally likely.
It made CDOs impossible to model in anything but the most rudimentary way all the more so because each one contained a unique combination of underlying assets.
Annotation with identified close contacts between pairs of hydrogen atoms or other close contacts can be easily scripted in, and in principle a rich variety of actions and analyses can be built into the figure which are all based on a combination of the underlying data and algorithms implemented by the (Jmol) software.
We focus on the importance of the number of sampled individuals rather than the number of SNPs, as the former can be directly controlled during experimental design, while the latter is the result of a combination of the underlying history of the population under consideration, the size of the genome, and the sequencing effort expended.
Insurance mortality trends are a combination of the underlying health and accident trends in the insured population and the trends in (or changes in practice of) how underwriters decide which lives belong to the pool of insured persons with standard risk.
