The phrase "unprecedented relevance" is correct and can be used in written English.
It means something is of great importance or significance, and is unlike anything that has been seen before. Example: The discovery of a cure for cancer would have unprecedented relevance in the medical field, as it would greatly impact the lives of millions of people.
6. Relevance is relevant.
Invoking memories of the Holocaust as if to justify the mistreatment of the Palestinians only debases the historical relevance of this unprecedented human tragedy.
Among those, ALDH4A1 was confirmed as an unprecedented target of ACV and the relevance of this enzyme for cellular viability demonstrated by its downregulation via siRNA studies.
Also, unprecedented investigation of aeration rate and sucrose concentration relevance in biosurfactant production by A. pullulans in stirred tank reactor was detailed, demonstrating the importance to establish adequate conditions in bioreactors, aimed to scale-up process.
HBO says it took the unprecedented decision to pre-release the film for Iranian audiences because of its relevance in the run-up to the anniversary of the polls.
These global migration patterns have relevance for Ireland in that they are contributing to recent and unprecedented patterns of inward immigration [ 4].
Our work provides an unprecedented direct genetic linkage between LRR domains and FGFRs and highlights the biological relevance of LRR-containing receptors from the FGFRs gene family as critical regulators of neuronal function.
Such findings have particular relevance for informed ecosystem management in the Peace-Athabasca-Slave watershed, where unprecedented industrial development is imposing substantial additional pressure on freshwater resources.
Nonetheless, it is rare and perhaps unprecedented for conservatives -- who generally lag behind liberals when it comes to cultural relevance -- to have a visual creative force like Baiano on their side.
It would be an unprecedented outlay for a position that mainly involves cutting ribbons, giving speeches and searching for political relevance.
