他们过着自给自足的生活，牧民们依靠放牧牦牛和绵羊以获得几乎全部的食品和生活物资。
They live self-sufficient life , herdsmen depend on grazing Poeephagus grunniens and the sheep to gain goods and materials living almost all food draws.
我在西伯利亚南部的游牧民族——以放牧牦牛为生的图瓦人中间做研究时发现，单词也可以固定用在特定的地点。
As I learned working among the Tuvans, nomadic yak herders of South Siberia, words can also be anchored to a specific place.
试验研究了6种放牧强度对牦牛生长及草地第二性生产力的影响。
The effect of 6 grazing intensities on growth of yak and the secondary productivity of sward was studied.
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