按照尽可能的天然山坡轮廓。
有关在天然山坡发生的山泥倾泻的分布、性质及起因研究仍在进行。
Research into the distribution, nature and causes of landslides on natural terrain is continuing.
否则，天然纤维如黄麻网和精益求精的铺垫将有助于植物就陡峭的山坡上举行，减缓水流。
Otherwise, natural fibers like jute netting and excelsior matting will help plants take hold on steep slopes, slowing the flow of water.
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