demonstration zone是什么意思 demonstration zone怎么读
demonstration zone的用法和样例
- We will expand ecological demonstration zones.
加强生态示范区建设。 - 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。
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