本文是在充分研究地质灾害形成条件，以遥感解译、地面调查和勘查测绘为工作手段，完成的汉台区地质灾害详细调查工作的基础上实现的。通过分析地形地貌、地质构造、地层岩性、岩土体类型、降水、地表水、地下水、人类工程活动、地震等形成条件与地质灾害的关系，认为汉台区地质灾害是各种形成条件综合作用的结果，每类地质灾害形成或发生，其主导条件不尽相同。因此，研究地质灾害的形成条件，对于分析地质灾害的成因和机制，掌握其发育规律以及减灾、防灾十分必要。

This article is achieved in the full study on geological hazards forming conditions, by remote sensing interpretation, ground investigation, exploring and surveying, on the basis of detailed investigations of geological hazards in Hantai which is completed. By analyzing the relationship between geological disasters and formation conditions of topography, geological structure, lithology, soil and rock type, precipitation, surface water, groundwater, human engineering activities, earthquakes. Thinking geological hazard in Haitan is a result of the combined effects of the formation conditions. The formation or occurrence of each type geological hazards, the dominant condition is different. Therefore, the study on formation of geological hazards is necessary for analyses the causes and mechanism of geologic hazards, controls their development, disaster mitigation and disaster preparedness.

本文叙述了西藏自治区浪江（浪卡子—江孜）公路泥石流的形成条件及泥石流的物质来源,阐述了不同条件形成的泥石流体积计算方法,并提出了防治措施。

Describes the formation conditions and material source of debris flow of Lang-jiang(Langkazi - Jiangzi) highway in Tibet Autonomous Region, expounds volume calculation method of debris lfow formed in different conditions, and puts forward prevention measures.

广州地区轨道交通沿线岩溶是在有利的地层条件、地质构造条件和水文地质条件下形成的。溶洞高度大多数小于3m,溶洞埋藏较浅,溶洞顶板较薄等。岩溶分布规律与发育程度主要受岩性、地质构造、地下水位变化等因素的控制。查明岩溶形成条件、分布规律和特征,对于隧道施工风险防范具有重要意义。

s:The karst in Guangzhou was developed under favorable geologic conditions including strtigraphy,geological structure and hydrogeology.The height of the most caves are less than 3 m.The buried depth is shallow,and the thicknesss of the cave roof is thin.The distribution and degree of development is controlled by lithologic characters,geologic structure,the fluctuating underground water table and other factors.It is important to explore its forming conditions,distribution rule and character for avoiding tunneling danger.

受城市建设的发展、工程地质条件、水文地质条件及人为因素等的影响,原本稳定的边坡逐渐转变成滑坡。综合大理团山南滑坡的形成特点、工程地质及水文地质特征,对已形成的公园滑坡提出加固治理方案,为今后的类似工程提供参考和借鉴。

The slope gradually turned into landslide due to the development of city construction, engineering geologic condition, hydrogeological condition and some human activities. Taking the landslide formation feature, the engineering geological and hydrogeological condition of slope of Dali Mountain park into account, this paper puts forward the corresponding reinforcement treatment solutions, providing a reference for future similar enginerings.

客家是中华民族汉族的一个分支，它在闽粤赣边地形成。它形成的基本条件为：第一，主体条件：客家不是一个单纯的文化概念，有其实存的主体；中原汉人移民及其融合的原住民是客家文化的主体；主体的形成必须有相当的人口规模；客家血缘因素与文化因素并存。第二，地域条件：一定的地域是客家文化物质基础的形成地；在一定的地域内的繁衍生息构成生产力第一要素；在一定的地域发展经济奠定客家文化的物质基础；一定的地域是客家人口播迁的出发地和寻根的祖地。第三，时间条件：人口集聚和发展生产需要一定的历史时期；客家民俗文化在一定的历史时期形成；客家方言在一定的历史时期形成。第四，环境条件：需要安定的社会环境；需要与之相适应的宗法制社会环境；需要良好的文化教育环境。客家思想文化的形成，是客家文化成熟的重要标志。

Hakka is a branch of the Han nationality , which formed in the border among Fujian , Guangdong and Jiangxi provinces.The following is the basic condition for its formation.The first is the subject condition.Hakka is not a simple concept of culture , there are actually existent subject.Central plains Han Chinese migration and fusion of Aboriginal are the subject of Hakka culture.The formation of the subject must have considerable population scale, the coexistence of Hakka consanguinity and culture factors.The second is the regional condition.A certain region is the formative place of Hakka culture.Human multiply makes up the first element of the productivity in the region.The regional economic development lays material base of Hakka culture.The region is the starting point of Hakka population migration , and the ancestral land of seeking roots.The third is the time condition.The popula-tion agglomeration and production development need some time.The formation of Hakka folk culture and H