demonstrating center的用法和樣例：
例句
- The electrotechnics &electronics experiment education center of our school has been selected into the National Level Experiment Education Model Center.
摘要該校電工電子實驗教學中心被評為首批國家級實驗教學示範中心。 - This paper described the construction of electric experimental teaching demonstration center according to the core of the reform of teaching contents and curricular system.
摘要文章介紹了電工實驗教學示範中心的建設，以教學內容和課程體系改革為核心。
