The phrase "a unique level" is correct and usable in written English.
It can be used to describe a distinct or exceptional degree or standard of something, often in a comparative context.
Example: "The new software offers a unique level of customization that sets it apart from its competitors."
Alternatives: "an unparalleled degree" or "a distinctive standard".
There's a unique level of understanding between us.
"There is a unique level of exhaustion and competition up at Edinburgh.
They possess a unique level of technological literacy that allows them to work against our common rights or for them.
"The combination of freedom and mutual understanding can foster a unique level of trust," Mr. Quirk, of Oakland, said.
It's hard not to suspect rushing for political purposes; perhaps there was a "unique level of stakeholder involvement" on the part of the Gore campaign.
And while presenting itself as a scientific document, it also boasts of being built on "a national discourse" with "farmers, ranchers, engineers, scientists, business people, local government officials" expressing a "unique level of stakeholder involvement" -- in other words, nonscientists who might have lobbying reasons for wanting to influence the report.
Each Capitella sp. I Hox gene exhibit its broadest and highest expression level at a unique stage, reflecting the order of activation for each gene.
Some managers may on a more unique level, adopt a completely different style of their own.
Scholarly research and a new appreciation of the unique level of refinement early Japanese photography achieved have led not only to growing popular interest, but also to a commensurate rise in the market value of the best examples.
We show that there exists a unique equilibrium level of public good provision and compare it with the efficient level.
Smouse and Ward (1978) extend to multiple hierarchical levels, with a unique three-level partition option and statistical testing by random permutation offered in GenAlEx 6.5.
