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   forest calamity 的翻译结果: 查询用时:0.11秒
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forest calamity
相关语句
  森林灾害
     Reseach on Model of Dynamical Monitoring Prevention and Control, Forecast in Forest Calamity
     森林灾害动态监测防治与预测模型研究
短句来源
     Basic Theories of Forest Calamity Economics
     森林灾害经济的基本理论与方法研究
短句来源
     Based on the development of China's forestry and making good use of the data of forest calamities and the growth of forestry economy from 1952 to 2001, the paper analyses the impact of forest calamity on forestry economic growth in China, trying to explore, theoretically, the inherent correlation between the two factors.
     该文紧密联系我国林业的发展情况 ,利用全国 195 2—2 0 0 1年森林灾害、林业经济增长的数据 ,分析了森林灾害对我国林业经济增长的影响模式 ,从理论上探讨了森林灾害与林业经济增长的内在相关性。
短句来源
     Forest Calamity And Environmental Recovery and Reconstruction
     森林灾害危害及生态环境恢复与重建
短句来源
     According to the general calamity economic theory and research achievements,the writer discusses the problems of forest calamity economics with basic theories and principles,such as concepts,classifications and characteristics of forest calamity,subject and contents of forest calamity economic research,and fundamental theories of forest calamity economic research.
     它属于正在形成与发展的学科。 该文根据一般灾害经济的研究成果 ,主要探讨了森林灾害经济的一些基本理论与方法问题 ,包括 :森林灾害的概念及分类、森林灾害经济研究的对象与内容和森林灾害经济研究所遵从的基本原理等
短句来源
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  相似匹配句对
     forest .
     林。
短句来源
     Basic Theories of Forest Calamity Economics
     森林灾害经济的基本理论与方法研究
短句来源
     Forest Calamity And Environmental Recovery and Reconstruction
     森林灾害危害及生态环境恢复与重建
短句来源
     The Harmony in the Forest
     森林中的和谐
短句来源
     ON CALAMITY FORECAST
     简论灾害报警
短句来源
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In this paper,the effects of forest calamity,pattern and law of spacial distribution on Dursiphelenchus xylophilus,Apobcheina ciaerius erscho ff,Clostera anachorta (fadricius)and Daxinganling Forest fire are studied.through the application of 3S (GPS RS GIS) technology.The model of dynamical monitoring is built on the basis of organisms characteristics and spectral characteristics in some forest insect-source and forest fire.An organic whole system construction that opertional calamity...

In this paper,the effects of forest calamity,pattern and law of spacial distribution on Dursiphelenchus xylophilus,Apobcheina ciaerius erscho ff,Clostera anachorta (fadricius)and Daxinganling Forest fire are studied.through the application of 3S (GPS RS GIS) technology.The model of dynamical monitoring is built on the basis of organisms characteristics and spectral characteristics in some forest insect-source and forest fire.An organic whole system construction that opertional calamity dynamic monitor and administrative scheme optimizeis advanced,which provide scientific decision basis and guarantee for organism's habite change predicting,dynamic management and sustainable development in forest area.

以3S技术为核心,以松材线虫和为害杨树的杨尺蠖、杨舟蛾及大兴安岭林火为背景,根据各类森林虫源和林火的生物特性及影响的波谱特性,研究森林灾害的空间展布规律,建立动态监测模型,提出了林区业务化的灾害动态监测,治理方案优化一体化的系统构建,为林区生态变化预测、动态管理及可持续发展决策提供科学依据和保障

According to the general calamity economic theory and research achievements,the writer discusses the problems of forest calamity economics with basic theories and principles,such as concepts,classifications and characteristics of forest calamity,subject and contents of forest calamity economic research,and fundamental theories of forest calamity economic research.

灾害经济学是以人类社会的灾害经济关系及其运行规律为研究对象的一门特殊的、新型的经济学科。它属于正在形成与发展的学科。该文根据一般灾害经济的研究成果 ,主要探讨了森林灾害经济的一些基本理论与方法问题 ,包括 :森林灾害的概念及分类、森林灾害经济研究的对象与内容和森林灾害经济研究所遵从的基本原理等

Forest is the main body of the ecosystem of the land. It is an important condition of the development of the human society. It is also an important component of ecological construction. Owing to some natural factors and artificial factors, varied forest calamities have influenced the continual development of national economy. According to the viewpoint of ecology, natural resources and calamity, this paper has analyzed the current conditions of the forest in China, discussed the influences of forest calamity...

Forest is the main body of the ecosystem of the land. It is an important condition of the development of the human society. It is also an important component of ecological construction. Owing to some natural factors and artificial factors, varied forest calamities have influenced the continual development of national economy. According to the viewpoint of ecology, natural resources and calamity, this paper has analyzed the current conditions of the forest in China, discussed the influences of forest calamity to ecosystem, presented some counter-measures against calamity based on the requirement of the national forest coverage ratio, and advanced new thought of the recovering and reconstructing the forest ecosystem.

森林是陆地生态系统的主体,是人类社会发展的重要条件,是生态建设的一个重要组成部分。由于自然因素和人为因素的影响,森林的各类灾害影响着国民经济的持续发展。从生态学、自然资源学、灾害学的观点入手,分析了中国森林的基本现状,探讨了森林灾害对生态系统的影响,根据2001~2010年、2011~2030年、2031~2050年全国森林覆盖率达到19.5%、24%、26%的要求,提出了抗灾防灾的对策,为森林生态系统的恢复与重建提供新的思路。

 
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