demonstration zone

• 示范区

demonstration zone的用法和样例：

例句

1. We will expand ecological demonstration zones.
   加强生态示范区建设。
2. Currently, ten agricultural new high level technology development and model zones have designated 180,000 mu of land to become the central model zone.
   目前，十个农业高新技术开发示范区，已划出了十八万亩土地作为中心示范区。