“概念性规划”英文怎么说?

Conceptual Planning

参考
从“概念”到“设计”——温州高教园区概念性规划设计From "Concept" to "Design"——Conceptual Planning for Wenzhou Higher Education Campus

生态农业旅游概念性规划——以响堂村为例Study on Eco-Agriculture Tourism Conceptual Planning :A Case of Xiangtang Country's Tourism Planning

conceptional program

concept programming

conceptual scheme

Concept plan

concerptional project/plan/program