The phrase "a relatively simple operation" is correct and usable in written English.
It can be used when describing a task or process that is not overly complicated compared to others.
Example: "The surgery was a relatively simple operation, requiring only a short recovery time."
Alternatives: "a fairly straightforward procedure" or "an uncomplicated task".
A mountain of a man at 6-foot-1 and 375 pounds, Mr. Chandler entered Memorial Hospital in Jacksonville for what seemed like a relatively simple operation.
We were led to believe by political emigres in the UK that rebuilding Libya would be a relatively simple operation: Muammar Gaddafi was finished, Libya's army was useless and its tribes were broken.
Optimization of the protocols for CLEA preparation, with regard to parameters such as temperature, pH, concentration, stirring rate, precipitant, additives, and cross-linking agent, is a relatively simple operation which lends itself to automation, e.g., using 96-well plates.
This is a relatively simple operation that will help stop or prevent bad behavior, accidental litters, and certain health issues.
Here a relatively simple procedure is outlined which significantly reduces the number of operations by replacing selected partial sums by asymptotic series.
Gas turbines share with internal combustion piston engines the great virtues of quick starting and stopping as well as relatively simple operation.
This process presents significant advantages relatively to the usually used ones, namely relatively simple operation and reduced contamination of the films.
Therefore, here we used the autoclaved wheat straw as the substrate due to its relatively simple operation.
Like most hospitals in Tanzania, the one in Berega tries to compensate for the doctor shortage by relying on assistant medical officers like Mr. Makanza to perform many Caesareans and a few other relatively simple operations like hernia repairs.
In both cases they consider a complex system composed of relatively simple operations, and note that it is impossible to see how understanding or consciousness could result.
