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。

youdao

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。

youdao