有些国家的研究人员正在开展一项农林相结合的实验——在一排排特殊的树木间种植庄稼。
In some countries, researchers are now experimenting with agro-forestry-the planting of crops between rows of special trees.
有些国家的研究人员正在开展一项农林相结合的实验——在一排排特殊的树木间种植庄稼。
In some countries, researchers are now experimenting with agro-forestry-the planting of crops between rows of special trees.
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