这个国家的教育体系是由政府集中管理的。

The country's education system is ___centralized under the government.

公司决定将所有文件管理改为集中式系统。

The company decided to switch to a ___centralized system for all document management.

这家公司采用集中化管理，所有重要决策都由总部做出。

The company has a ___centralized management system where all major decisions are made at headquarters.