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1.The upstream slope-protection measures were designed to prevent soil erosion and protect the fragile ecosystem.
上游坡面保护措施旨在防止土壤侵蚀并保护脆弱的生态系统。
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2. The construction of the upstream slope-protection system is crucial for maintaining water quality in the river.
上游坡面保护系统的建设对于保持河流水质至关重要。
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3.The upstream slope-protection project aims to restore the natural habitat of the local wildlife.
上游坡面保护项目旨在恢复当地野生动物的自然栖息地。