increase in sophistication; enhancement of functionality; increase in speed; upgrading
技術の高度化が進んだ。
The sophistication of technology advanced.
医療の高度化に期待が集まっている。
Expectations are gathering around the advancement of medical care.
サービスの高度化に対応するための研修を受けた。
I received training to keep up with the increasing sophistication of services.