Yangling has summarized many kinds of high efficiency model of agricultural Sci-tech extension in the past ten years.
这些模式各有特点，共同构成特有的新型杨凌农业科技推广模式。
The agricultural education department, agricultural science-research institution and agricultural sci & tech extension department should be coordinated.
加强农业教育，农业科研、推广等部门之间相互协调、沟通；
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