发展水平低的

In this thesis thecurrent situation and future of the aged has been analyzed mainly, seven characters werediscussed as followed: trend of aging phenomenon, high growing speed of this phenomenon,big absolute unit of population, un-equilibrium distribution in the whole country, low healthylevel, exceeding economic development. The influence on economy, society, family,psychology and so on had been discussed also. It pointed out the importance of stabilizing thebirth level, performing new trinity mode of providing for the aged by themselves, by thesociety and by their children, taking actions to delay the aging speed correspondingly andfulfilling elementary service for their health.

本文分析了我国人口老龄化的现状及发展趋势，讨论了我国人口老龄化速度快，绝对数大，分布不均衡，健康水平低，超越经济发展等七个特点，论述人口老龄化对我国经济、社会、家庭，心理等影响，提出要稳定生育水平，实行自身、社会、子女养老三位一体新模式，采取相对延缓老龄速度，实施老年初级健康服务等应对策略和对策。

What should account for the result is too dense population in city zone, difficulty of employment, environment deterioration and so on.

而我国的城市化水平比较低，已经制约了工业化的发展，我国的城市化现状可以归结为以下几点：①城市化水平低。

The result shows that we have got an effect on the fruit industry but there still exists some problems, such as lack of professional degree, low high-quality fruit, little exports, imperfect quality supervising system, low speed of standardization construction, low developed management level, lag development for follow-up system, distempered circulating system, lack of information for farmers, etc.

研究结果表明：秦皇岛发展果业虽然取得了一定的成效，但是在发展过程中仍然存在着专业化程度不够，优果率低，出口外销量少，质量监控体系不完善，标准化建设缓慢，产业化经营水平低，采后处理发展滞后，果品流通体制不健全，果农缺乏有利信息等问题。

Then, I find the underachiever problem is mainly caused by the personality factors according to the data from the study and investigation.

接着在分析多项研究及调查资料的基础上得出结论：中学生学业不良的主要成因在于其非智力因素发展水平低。

Many Counties of mountainous district are remote, the development level of social economics is low, but there is rich water-power resources.

中文摘要：许多山区县地理位置偏远，经济社会发展水平低，但往往有着丰富的水能资源。

However, when investigating various conditions, we easily find the fact that after two countries, which have analogically incipient conditions, like South Korea and Ghana, come through development during dozens of years, people's living level of the two countries shows enormous gap.

然而，当考察世界各国经济发展时，我们很容易发现：发展初始条件相似的两个国家，如韩国和加纳，经历几十年的发展之后，人民生活水平的差距变得如此之大，一国已基本实现现代化，而另一国却仍然处于低发展水平。

These questions were caused by many factors, such as, low rural economic development level, low cultural level of the villagers as a whole, the distemperedness of electoral system and so on .

这些问题是由农村经济发展水平低，村民的整体文化水平不高，选举制度的不健全等因素造成的。

The article is decided through the analysis area society, economy grows the current situation to reach on the west basically restrict an element, research thinks low-level, socioeconomy develops industrial structure backward, city changes the standard process shortage of natural resources of slow, water and zoology environment are to bring about benefit of zoology economy system flimsily low, restrict the main factor that this division can develop continuously.

本文通过分析定西地区社会、经济发展现状及主要制约因素，研究认为产业结构低水平、社会经济发展水平落后、城市化进程缓慢、水资源短缺与生态环境脆弱是导致生态经济系统效益低下，制约本区可持续发展的主要因素。

The fourth chapter analyses the state of ecological, economic and social in Yuli oasis system from 1991, it is found that Yuli oasis system was in over loading state according to half richness, richness and modernization level from 1991, the fundamental reasons were fragility of environment, level lowness of economy development, draggling of basic establishment, lowness of population stuff, and lowness of living standard.

第四章对尉犁绿洲系统近10年来的承压超载状况进行了分析，结果发现，自1991年以来，在小康、富裕与现代化等不同生活水平约束下，尉犁绿洲系统都处于超载状态，生态环境脆弱、经济发展水平低下、基础设施落后、人口素质低下与生活水平处于较低水平是尉犁绿洲系统处于超载状态的根本原因；但从整体看，尉犁绿洲系统的承载状况趋向好转，主要原因在于尉犁绿洲人口规模小、人均资源利用指标处于较高水平、水利设施条件进一步改善和绿洲居民预期寿命始终处于较高水平。

Focusing on these problems, the author points out the necessity and importance to adjust the strategy currently in use by the group company and puts forward the following recommendations:firstly, break the traditional single-business structure, and engage in diversification; secondly, broaden the managerial people's vision and mentality and adopt marketing-oriented operations; thirdly strengthen the human resources management; and fourthly set up new system for technological innovation; fifthly build a corporate culture characteristic of "blue flame spirit"; and finally establish management information system so as to raise the overall competitiveness.

针对问题，本文确定了北京市燃气集团公司发展战略的调整内容，并从以下几方面对现存问题展开研究，提出调整战略实施对策：突破单一产业格局，建立适度多元化产业结构；树立市场营销新观念，开拓生产经营新局面；突破分散型人才管理，建立人力资源管理体系；突破科技水平低的现状，建立科技创新管理系统；建立以兰焰精神为核心的企业文化；建立管理信息系统，提升竞争力。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。