本文以系统的观点，开展了合阳县地质灾害的研究。
This thesis study geological disaster of Heyang in the point of system.
体现专业、大气的整体设计展现合阳公司企业形象。
Reflect the global design of the speciality, atmosphere represents the corporate image of Heyang Company.
合阳县位于陕西省关中地区渭北黄土台塬以东，与黄河相邻。
Heyang country is located in the east of Weibei loess plain in Guanzhong district of Shann 'xi province and adjoint of Yellow River.
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