extension mode of science and technology

• 科技推广模式

extension mode of science and technology的用法和样例：

例句

1. The best extending model is the technology of straw burying and mulching fertilizer gathering and rainfall conservation.
   提出了旱地当前推广的最佳推广模式为秸秆沟埋加地膜聚肥蓄水技术。