其次，通过对农村居住环境、土地资源、饮用水安全问题、生活垃圾污染四方面现状的分析，揭示了当前农村人居环境污染的危害和原因。
Secondly, with the analysis on the living environment in rural areas, land resources, drinking water safety, solid waste pollution, the author reveals the environmental pollution hazards and causes.
研究了坝坡作为土地资源能否进行开发利用以及由此可能产生对坝体安全稳定的影响程度，坝坡开发利用及其防护措施的模式的建立等问题。
Based on the experimental demonstration and investigation, the effects of developing utilization of silt arrester slop on the dam stability, and the protecting measures were studied.
海岸侵蚀活动除威胁滨岸工程设施安全外，还严重破坏旅游资源和土地资源，加剧海水入侵活动。
Coastal erosion can seriously destruct tourism resources and land resources and aggravate invasion of seawater besides threatening the safety of coastal engineering facilities.
海岸侵蚀活动除威胁滨岸工程设施安全外，还严重破坏旅游资源和土地资源，加剧海水入侵活动。
Coastal erosion can seriously destruct tourism resources and land resources and aggravate invasion of seawater besides threatening the safety of coastal engineering facilities.
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