Regional Innovation System (RIS)的用法和样例：
例句
- This paper just discusses how to construct Langfang Regional Innovation System by its definition and construction model.
本文从区域创新系统的概念及构建模式入手探讨了构建廊坊区域创新系统的问题研究。 - Transaction cost and moral hazard occurred in the regional innovation system of resource-based cities are studied.
研究了资源型城市区域创新系统中的交易费用和道德风险，提出了整合内部创新资源和利用外部创新资源构建资源型城市区域创新系统的对策。
