The phrase "a single demonstration" is correct and usable in written English.
It can be used when referring to one specific instance of showing or proving something, often in a context of experiments, presentations, or examples.
Example: "The scientist conducted a single demonstration of the experiment to illustrate the concept clearly."
Alternatives: "one demonstration" or "a lone demonstration".
Then, after a single demonstration, he asked the American actor Kameron Steele to reproduce it.
In the past, official rage was channelled through a single demonstration.
On Monday, 10 days into the Games, the government had yet to permit a single demonstration in any of the official protest zones.
Previously, the authorities had acknowledged the occurrence of a single demonstration on Jan . 29in Pleiku, a neighboring provincial capital, despite persistent reports of unrest among ethnic minorities throughout the Central Highlands.
Given a single demonstration, the robot is able to solve the same task from an arbitrary starting point and then continue the task.
The researchers say this new system allowed them to train their robot to perform this stacking task with a single demonstration in the real world.
All it needs to do is hint at the grand vision by providing a single, irresistible demonstration of value over the status quo.
The NGTCC is an advanced long-term helium cooled reactor concept, and a single module demonstration plant may be realizable by say circa 2030, this leading to commercial operation of multi-module plants, and paving the way for future very high temperature nuclear process heat plants in the middle decades of the 21st century.
Many had been arrested on the slimmest possible pretext — one man was denounced by a neighbor over a property dispute; another was a farmer who had attended a single peaceful demonstration.
The teenager was fascinated by the apparatus, and especially by the single demonstration slide that came with it: a wide-angle photograph of two men overlooking the Thames, with the Palace of Westminster and a lurid sunset behind them.
*** Perhaps the most important single demonstration of the potential of games for serious applications comes from the purest of all training environments: the education system.
