The phrase "a perfect indication" is correct and usable in written English.
It can be used when describing something that serves as an ideal sign or signal of a particular situation or condition.
Example: "The consistent rise in sales is a perfect indication of the product's popularity among consumers."
Alternatives: "an ideal sign" or "a clear signal".
Banner's best song is a perfect indication of how hard it is to file him.
On the first hole is a perfect indication; I hit a 5-iron straight at it, and it rolled out eight feet.
The weekend military strikes on terrorist targets in Libya and Somalia are a perfect indication that the American government can act when its direct interests are at stake, said Ms. Dormandy of Chatham House.
The results of TEM showed a perfect indication about the shape and dimension of the Ag-NPs.
That's a perfect indication of the tightness of this race, which will likely come down to a photo finish.
Financing data tracked by one law firm is not a perfect indication of success, but it does demonstrate what financings have looked and felt like over the past seven years.
On the other hand, IndVal varied between 0 (no indication) and 100 (perfect indication), being highest when all individuals of a species are found in a single habitat (high specificity) and the species occurs in all samples of that habitat (high fidelity).
Indicator values range from 100 (perfect indication) to zero, with 25 generally considered to be an acceptable minimum threshold level for a useful indicator species (Dufrene and Legendre 1997).
Many of these barriers represent perfect indications for referral to rehabilitation services.
"It's not a perfect barometer, but it's a strong indication that there will be significantly fewer showing up," he said.
Hooper, who last scored five before he turned professional, admitted that it had been a perfect day for him and gave no indication that he was considering a move away from Glasgow.
