The phrase "a unique scheme" is correct and usable in written English.
It can be used to describe a plan or system that is one-of-a-kind or different from others.
Example: "The artist presented a unique scheme for the community mural that incorporated elements from various cultures."
Alternatives: "an original plan" or "a distinctive approach".
Mr Mandelson said: "This is a unique scheme for a body of men and women who have served through some of the most difficult times imaginable.
The UK Film Council's Digital Screen Network is a unique scheme involving more than 200 cinemas in England, Scotland, Wales and Northern Ireland.
"This Baltimore defense has 11 great players on the field at all times and it is a unique scheme," said Jon Gruden, the Raiders' coach.
This paper proposes a unique scheme that simultaneously performs fault diagnosis and tolerance control for the PEMFC system.
Implementation of the adaptive kernel estimation involves a very simple procedure and allows for a unique scheme that handles strong shocks and rarefactions the same way.
The derived algorithms combine the multi-pixel matched subspace detector and multi-pixel background-plus-noise power change detector in a unique scheme.
As football coach, he developed a unique offensive scheme called the "Byrd system", which combined elements of the single-wing and double-wing formations.
Each param must be a unique valid Scheme symbol.
Every crab fisherman has buoys marked with a unique color scheme that mark the location and determine the ownership.
Mr. Henderson's appeal, by contrast, was from an agency determination and was filed in a specialized tribunal "as part of a unique administrative scheme," he wrote.
Moreover, a unique reaction scheme has been designed to establish the independent heat effect of dissolution and reaction quantitatively.
