The term 'concentrated park landscape case plus' refers to an advanced or expanded example of a centralized park landscape design. This could involve innovative design approaches, additional features, or enhancements to a typical park landscape. Centralized park landscapes are urban parks that are designed to serve a large population and may include various amenities such as playgrounds, sports facilities, and recreational areas. 'Plus' suggests an addition or upgrade to these standard features, possibly indicating a more sophisticated or comprehensive design.