制度围栏(the institutional fencing)
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制度围栏
Institutional fence
以上为机器翻译结果，长、整句建议使用 人工翻译 。
通过对比研究放牧制度及围栏封育对退化草地植被的影响，来探讨划区轮牧在退化草地植被恢复中的作用以及最优的放牧方式。
Through comparing effects between grazing systems and a feedlot system on the degenerated vegetation, the roles of rotational grazing system playing in vegetation recovery were investigated.
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