The phrase "again improved" is correct and usable in written English.
It can be used when indicating that something has been improved once more after previous improvements.
Example: "The software has again improved its performance, making it faster and more efficient than ever."
Alternatives: "further enhanced" or "improved once more".
By combining them into a RF model, reassuringly, the prediction performance again improved, although this improvement was relatively low.
Reintroduction of the formula again improved the symptoms.
The present derived theory predicts the resonance frequency of the tapered neck resonator within engineering tolerance and the accuracy is again improved as the tapered length increases.
About eight months after his commitment, the hospital reported that Edwards' condition had again improved to the point that he had again become competent to stand trial.
Nick Faldo again improved on his previous round, claiming five birdies in his 68, although inevitably he ended up bogeying the 17th again.
In 1995-96 they again improved their win tally, to 60 and again reached the Conference Finals, again going up against Jordan, Scottie Pippen and the Chicago Bulls.
This cycle is based upon the principle of plan-do-check-act, implying that improvement continues and starts all over again and again improving upon earlier results.
Known as "neckdowns", these curb extensions also increase visibility, again improving safety.
Your men will salute when you draw near, and returning home from Afghanistan every now and again improves staff morale, helping them to get things done quicker.
"Our aim is to be established again, improve on what we did last year and go close to the top 10," Bruce said recently.
In the case of concurrent stochastic zero-sum games with parity objectives we obtain a PSPACE bound, again improving the previously known 3EXPTIME bound.
