自然地理

In the watershed of Mengnai River within the Tongbiguan Nature Reserve of Yunnan Province, we applied Geographic Information System and Remote Sensing techniques to analyze the impact of cascading hydropower development on landscape diversity, and impact on major protected objects including Dipterocarp forest, rare and endangered plants and animals existing in the nature reserve.

综合运用地理信息系统和遥感技术，分析了勐乃河梯级电站建设对流域内景观多样性、流域内铜壁关自然保护区的主要保护植被类型－龙脑香林和保护区内的珍稀濒危动植物造成的影响。

According to the monitoring data from the coast fisheries ecological environment of Guangxi during 2001~2004 years,the analysis,research and assessment were done to the Dugong national-level nature reserve of Hepu in Guangxi sea area,including the environmental quality changes,the composite index geographic distribution and the annual border change characteristics.

根据2001~2004年广西沿海渔业生态环境调查监测数据，对广西合浦儒艮国家级自然保护区水域海水环境质量变迁、综合指数地理分布及年际变化特点进行了较全面的分析研究与评价。

Just like most students in science, in order to avoid dull geology or history courses, I chose the way to study science, this is by accident; but compared with surface gaudiness of luxuriant words and romantic expressions, I prefer precise mathematical reasoning and exact modeling calculation, and I believe this is a kind of mellow and logic beauty conforming to nature.

同大多数理科学生一样，为了逃避相对枯燥的地理历史课程，我才选择了理科学习的道路，这，是一种偶然；而于我而言，相对于华丽的词藻与浪漫的抒情这种外放的华美，我更加倾向于严谨的数学推理和精确的模型计算，这是一种圆润和合乎自然本质的逻辑之美。

The geographical location of a country and its physical characteristics are very important to its development.

一个国家的地理位置和自然特性对其发展非常重要。

Based on analysis of the current development of sand and wind in Zhangjiakou and Chengde regions,the paper puts forward some sug- gestion in preventing sand in the work,according to the condition of nature,geography and society economy on different type areas in Hebei Prov- ince,such as the model of control sand.

在分析张家口、承德地区风沙形成原因及发展趋势的基础上，提出了河北省防沙治沙工作中存在的问题，根据河北省不同类型区的自然、地理及社会经济条件，提出了风沙治理模式和建议。

Moreover, The Harte Research Institute, which is committed to supporting and promoting the conservation of the natural resources in the Gulf of Mexico, the International Union for the Conservation of Nature, the Marine Geospatial Ecology Lab at Duke University, that researches the physical structures of the territory in respect of marine life in our Oceans.

另外，旨在支持倡导保护墨西哥湾自然资源的哈特研究中心、世界自然保护联盟、为保护海洋生物而研究地表物理结构的杜克大学海洋地理空间生态学实验室也参与了这项工程。

Its aim is to review national musical aesthetic psychology deeply through depending on the theory of Ethomusicology, adhibitting investigation tropism leaning to humanism, standing out mentalistic society idiosyncracy and using historical culture analytical method and cause and effect analytical method.

课题研究主要内容：音乐民族审美心理形成的基本条件是受自然系统中的地理环境、人种特征，社会系统中生产方式、社会政治结构、哲学思想、宗法、原始神话、集体无意识等因素的影响与作用。

For such reasons, the author investigated comprehensively on cropping systems and agriculture development in Fenxin County from 2002 to 2004, using mathematics model and GIS, discussed the cropping systems characteristic and development orientation and optimized the cropping systems spatial distribution. The data were collected from literature, questionnaires to experts and farm households, on-site investigation and field experiments. The main results are as follows:1,Because of inconsequent exploitation and management of the resources, rapid increasing population in hilly region of red soil, the stress on soil, deterioration of farmland ecological environment and soil gleization become more and more serious. Natural features , water and thermal resources and species are abundance.

基于以上目的，作者于2002-2004年，通过资料调研、专家咨询、农户调查、实地考察和田间试验等手段，对江西奉新县的种植制度和农业发展进行了全面的调查，通过建立数学模型和运用地理信息系统，对奉新县的种植制度的特征和发展方向进行了全面的论述，并且对种植制度进行了空间布局优化，主要结果如下： 1、红壤丘陵区由于长期以来对资源的不合理利用和掠夺式经营以及人口的急剧增长，土地压力上升，农田生态环境恶化，土壤潜育化，土壤肥力退化非常严重，但区内自然条件优越、水热资源总量丰富、物种丰富，具有一定的区位优势，为区内种植制度调整提供了有利条件。

Leisure residential Investment Group, real estate agent and the use of tourism development zones, tourist attractions, leisure resort superior natural conditions, geographical location, with the development of return on investment and more functions of the residential project.

康乐住宅投资集团，房地产经纪人和使用旅游发展区，旅游景点，休闲度假自然条件优越，地理位置，与发展的投资回报和更多的功能的住宅项目。

It may diffuse into the higher latitudinal provinces according to the latitude, climate, and host distribution analyses.

从地理纬度、气候条件、寄主分布范围等自然条件来看，椰心叶甲也完全有可能向高纬度的临近省份扩散。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。