The phrase "a single system of" is correct and usable in written English.
It can be used when referring to a unified or cohesive framework, structure, or method that encompasses various components or elements.
Example: "The organization aims to implement a single system of management to streamline operations across all departments."
Alternatives: "a unified system of" or "a cohesive framework of".
His team is working on creating a single system of viability assessments and to make the previously secret calculations public.
Globalization, so it is claimed, has created a single system of capitalism driven by international competition (ignoring the very real differences between, say, China and the United States).
Trade regulations and fiscal charges differed from one region to the next; there was not even a single system of weights and measures.
The Constitution empowered the federal government to regulate the conditions of trade with other countries and to set up a single system of duties.
Although America has a single system of air-traffic control, it too has seen delays climb steadily for five years (see chart).
Williams believes the aim must be "a single system of quality assurance, reflecting both the academic and occupational requirements and bringing social work into line with most other professions".
6 Both aging and living in space induce the decline, not just of a single system, but of a composite of almost every body system.
Rather, it is more consistent with a single system model of processing such as the context availability theory.
There is, for example, Boltzmann entropy which is the property of a single system defined in terms of the spatial and momentum distribution of its molecules.
A single system realization, hence, consists of a random cut-out from a random microstructure realization.
The MPA said: "Universal credit provides a new single system of means-tested support for working-age people who are in or out of work.
