The condition of population distribution has both active and negative impact that embodied in the arrangement of social economy , adjustment of economic structure , development of towns , changes of labor and vocational structure , overpopulation in some areas and lack of resources 明代人口分布状况对社会经济布局、经济结构调整、城镇的发展、劳动结构和职业结构的变化以及局部地区人口过剩和资源紧张等方面均产生了极大影响，既有积极作用，又有消极作用。
Though china has achieved impressive results in its development , there are still many acute problems , such as overpopulation , weak economic foundation , underdeveloped productivity , highly uneven development , and a fairly sharp contradiction between the country ' s ecological environment and natural resources on the one hand and its economic and social development on the other 中国虽然取得了很大的发展成就，但中国人口多，底子薄，生产力不发达，发展很不平衡，生态环境、自然资源与经济社会发展的矛盾比较突出。
She also discusses why enlightened masters from the superior levels choose to remain at the fifth realm instead of rising to higher dimensions , whether the spiritual level that practitioners attain in this life is decided when they were born , and how we can use our wisdom to solve the problems of overpopulation , environmental destruction and inadequate food supplies 为何等级很高的明师仍选择留在第五界，而没有到更高的境界去？对修行人而言，是否出生时就已经决定了这一世所会达到的等级？如何运用智慧，解决世界人口增加环境破坏与粮食不足的问题？
We found that overpopulation , the development of fishery and cultivation , water conservancy are the most important factors to influence the rivers and lakes . referring to the researched area ' s fact , we gave some countermeasure and advice about solving the regional problems of flood , waterlog , water and soil utilization . we expect to offer some help for the sustainable development in the system consisting of human society and environment of the rivers and lakes 研究发现，人口过剩、耕作业和渔业的发展和水利建设是影响区域河湖环境的重要因素，结合研究区实际情况，我们提出了解决区域水灾害和水土资源利用等问题的一些对策和建议，希望能对区域河湖环境的综合整治、区域人地关系的可持续发展提供参考。
Tdd - cdma has so much technology advantage such as high spectrum effectiveness , big capacity , supporting asymmetrical uplink and downlink and so on , that it can especially solve the problem of some areas in our country which have overpopulation and scarcity of spectrum resource Tddcdma技术具有上下行链路不对称、频谱利用率高、发射功率低等优点，非常适合于第三代移动通信中的非对称数据业务，并可以提供较高的系统容量，特别是能够满足我国一些地区人口密集而频谱资源紧张的需要。
The causes of devolution , desertation , salinization and solonization were analysed in two aspects : it is apparently due to overpopulation , overstocking , unreasonably using , lacking of new technique , frequent occurrence of nature disaster , small area and low output of artificial pasture and semi - artificial pasture , but the more deeply reason was that the function of grassland was not completely understood only emphasizing the economic efficiency and regrowthful resource in grassland while the ecological efficiency and its potential use were neglected 本文主要从两方面对草原三化进行了分析，首先从表面上看有以下几方面原因，人口多、牲畜数量多、草原利用不合理、新技术推广差、草原自然灾害频繁、人工半人工草地少产量低。其次又挖掘了草原退化的深层原因，第一对草原资源的功能和作用的认识具有片面性，只重视草原的经济效益，却忽略了它的生态效益；只重视草原资源的再生性，却忽略了它的适宜可利用性。
