Michael Klitzing, Director of CCPR, was elected to the Board of Directors for the American Academy for Park and Recreation Administration.
National Capital Region of the National Park Service, “Energy Conservation Concepts in Managing Urban Parks.” Watson, Donald and Kenneth Labs, Climatic Design, McGRaw-Hill, New York, 1983. 标准 70 给水和污水 处理标准 6 源头环境的流域治理措施 恰如其分的给水管理需要有规范,这些规范限定那些与被...