The phrase "a clear specification of" is correct and usable in written English.
It can be used when you want to describe a detailed and unambiguous description of something, often in technical or formal contexts.
Example: "The project requires a clear specification of the system requirements to ensure all team members are aligned."
Alternatives: "a detailed description of" or "an explicit outline of".
The language allows a clear specification of complex instruction formats.
However, a clear specification of cost savings requires a detailed specification of the costs incurred.
Without a clear specification of tasks, each actor will favour the most minimal interpretation of its own responsibilities – as has been very much in evidence with the MDGs.
A web service choreography standard enables a standardized description of business processes that allows not only a clear specification of the control flow, but also forms the basis for the actual process execution.
And it must rely on a clear specification of what an organization or individual wants to achieve and clarity of activities that are expected to achieve those goals.
This last response brings out the fact that a proponent of MMR needs a clear specification of that to which truth is relative.
A clearer specification of optimal acupuncture treatment for this group of patients would be helpful.
Missing from the mooching accusation, however, is any clear specification of which recipients of government benefits get something free of charge.
The vast majority of IRT applications within rheumatology involved Rasch analyses, although a clear specification and rationale of the applied Rasch model was not always given.
The use of such traits in the development of field books and exporting them (or parts of them) to hand-held devices will provide a standard and clear specification of the traits to be measured in the field.
For a scientifically useful model, use cases must be highly specific and explicit, which enables clear specification of requirements.
