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中文摘要：
根据影响区域地质灾害发生的地质因素、地形因素、诱发因素和人为因素，建立区域地质灾害评价指标体系，对典型线路穿越的评价试验区进行地质灾害区域评价。由于地质灾害数据不仅含有不确定性而且还有复杂的模糊性，因而选用模糊评价方法。本文主要通过选取典型线路，采用模糊综合评判，利用GIS来进行，该研究结果表明是科学的、合理的和客观的，能节约大量的人力和物力，因此得出了用GIS来研究区域地质灾害评价是可行的，但对于一个特定区域而言，选取一条线路是不够的，应该选取多条线路同时并举的做法会更加科学。
英文摘要：
According to geologic factor, terrain factor, inducing factor and artificial factor which affect the occurring of geo-haz- ards, the paper created the indicator assessment system of regional geo-hazard, assessed the status of geo-hazards of the test zone which the typical route went through. Geo-hazards data contains not only random uncertainty but also sophisticated fuzziness, so it selected fuzzy evaluation methods. It mainly selected typical route and adopted fuzzy comprehensive judgment with GIS technology. The outcome manifes- ted that it was scientific, reasonable and objective and could save lots of human and material resources. Therefore, it drew a conclusion that it would be feasible to research zonal geo-hazards assessment with GIS, but should select many route lines as to a special zone.
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