soil conservation district
... soil conservation benefit 土壤保持效益 soil conservation district 土壤保持区 soil conservation division 土壤保持分区 ...
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土壤保持分区 [土壤] soil conservation division
·2,447,543篇论文数据，部分数据来源于NoteExpress
而下坡由于坡缓，处于沉积区，农用后仍可保持良好的土壤性质，适于农业利用。
However, the soils on low slope, located in genetle slope sedimentary area, still keeped …
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