The phrase "a precise role" is correct and usable in written English.
It can be used when referring to a specific and clearly defined function or position within a context, such as a job or task.
Example: "In this project, each team member has a precise role that contributes to our overall success."
Alternatives: "a specific role" or "a defined role".
The WWF report avoids ascribing a precise role to business in forming co-operative approaches to resolving water issues.
Not only has the Basij since 2004 provided 80% of police recruits, says Golkar, it has a precise role under a 2006 plan for assisting the police during social unrest: "There are different levels of security.
However, we note that although these results are appealing, additional validation will be needed to establish a precise role for these genes in the etiology of schizophrenia.
However, a precise role for Rac1 in tumor angiogenesis has never been addressed.
The majority of these genes encode proteins of unknown function, so a precise role in bovine SA pathogenesis is undetermined.
Despite the observed correlations between altered TTC4 behaviour and cancer progression we cannot yet define a precise role for the protein in this process.
However, larger comparative studies of PWI and SWI are still needed to determine a more precise role of the new techniques in the grading of cerebral neoplasms.
This indicates that Plk1 phosphorylation of YY1 has a very precise role at this point of the cell cycle, and it could be an indirect mechanism through which Plk1 regulates the expression of proteins needed later in cytokinesis.
Further work is required to identify the regulation and substrate specificity of each enzyme in order to establish a more precise role in the autoimmune response.
The specific finding of a few Oct 3/4-positive cells within the injured tendons, mainly in the I region, suggests a more precise role for these cells in this area of the healing rat tendon.
According to NSWP policy, as a pimp Gil was a "sex worker" whose precise role was a "manager".
