At present , there are lots of protrudent problem in development and utilization of the water resource , such as the serious lack , the acute conflict between supply and request 目前，黄河水资源开发利用存在着许多突出问题，流域水资源严重短缺，供需矛盾十分尖锐。
2.
With the continuous foison of food supplies in recent years , the gross balance of foodstuff in our country has been realized . at the same time , the impertinency of agricultural structure , especially the structural contradiction in planting production , has been becoming increasingly protrudent 随着近年来粮食生产的连续丰收，我国粮食已实现总量平衡，与此同时，农业结构不合理，尤其是种植业生产的结构性矛盾日益突出。
3.
What ' s more , the disquisition depicts the different pattern of urbanization in the world . points out the influence of urbanization to society development and concludes that there is a protrudent phenomenon that the population in rural area continuously transfers into the city called the population urbanization . 本文首先对城市化的概念、类型及水平测定进行了归纳总结，描绘了世界城市化进程中的三种不同状态，并指出了城市化对社会发展所产生的影响。
4.
The regional structure interpretation with 3d seismic data shows that the graben and shied mode faults of the baigezhuang , which developed a series of normal faults which stroked in ne ( nee ) and dipped nw or nw , came into being in the rift development stage of ii act of the bohai bay rift basin in mesozoic and cenozoic and resulted from the protrudent boundary of the basin , i . e . the strike - slip and stretch processes of baigezhuang fault 同时，用三维地震资料进行区域构造解释分析，论述了柏各庄地区的构造样式，是中新生代渤海湾裂谷盆地的幕断陷发育阶段，同时由于盆地内凸起边界?柏各庄断层的走滑兼伸展作用，使柏各庄凸起的中生界形成垒、堑断块群构造样式，发育一系列ne ( nee )向，倾向nw或sw的正断层。
您当前位置：