您要查找的是不是:
- The simplicity of Indian ways of life has been judged an evolutionary adaptation to forest ecology. 印第安人的生活方式很简单,这被认为是对森林生态环境的进化适应。
- Making the forest ecology actuality clear is the groundwork and the thereunderof seting up the forest ecotypic province for Guangdong. 摸清广东森林生态现状是建设林业生态省的基础和依据。
- Different accounting entities of forest ecology should chose the accrual-basis or the cash-basis accounting principle, according to its own characters. 在不同的森林生态价值会计主体中应根据自身的特点分别选择权责发生制原则和收付实现制原则;
- But the forest ecology accounting must do some especial accounts in obeying some accounting principles or to obeying some new accounting principles because of its specificity. 由于其森林生态价值会计的特殊性,又必须在遵循某些原则中有些特殊的处理或者必须遵循一些新的原则。
- The suburb is located in Jinshan District stem Xiangzhen create a good soft environment, and building a park, forest ecology, cultural square, the town people's lives better. 地处远郊的金山区干巷镇营造良好的软环境,建造公园、生态林、文化广场,让小镇人们的生活更美好。
- The paper uses typical sample plot method of forest ecology to obtain field data,and the Walkley-Black acid digestion method for measuring the carbon in the forest and soil is used in this paper. 运用森林生态学典型样地法设立标准地并获取野外数据,采用重铬酸钾-硫酸氧化湿烧法测定植物、土壤中的碳。
- Stand biomass which is the foundation of researching many forestry and ecology problems is a basic quantity character of the forest ecological system. 摘要林分生物量是森林生态系统最基本的数量特征,是研究许多林业问题和生态问题的基础。
- The specificity of forest ecology value accounting decides that it should obey the social principle, the economic and ecological efficiency principle. 森林生态价值会计的特殊性决定了必须遵循社会性原则及兼顾经济效益和生态效益原则。
- LANG K J.Linear consociation equation set model of forest ecological benefit[J].Chinese Journal of Applied Ecology,2004,15(8):1 323-1 328. [5]郎奎建.;森林生态效益的联立方程组模型的研究[J]
- The government has paid special attention to the construction of forest ecological projects. 中国政府特别重视林业生态工程建设。
- Probing the fire protection of forest ecology 森林生态防火的探讨
- Of the ten national-level and provincial-level nature reserves, most belong to the primeval forest ecological system. 还有十多个国家级和省级的自然保护区,其中不少是原始森林生态系统。
- The externality theory is a basic theory of explaining economy activities and forest ecological environment problems. 摘要本外部性理论是解释经济活动与森林生态环境问题的基础理论。
- The paper summarized ecological programming study at home and broad and went through study of optimal forest ecological programming in Hainan province. 在对国内外生态规划研究综述的基础上,通过对海南省最优森林生态规划的研究指出:要使海南省林地、林木和森林环境服务的效益最大,必须调整用材林、防护林、特用林和竹林的面积比例。
- Concern about ecology is a recent development. 对生态的关心是最近才有的事。
- This research provides one scientific and effective method to solve the complex problem how to evaluate index system of forest ecological harvesting. 本研究为解决森林生态采伐系统评价这一复杂问题提供了一种科学、有效的评价方法和工具。
- The paper discussed the importance and relationship between Hanzhong forest ecological construction and the project of south-to-north water diversion. 应用突变多准则评价法对南水北调中线水源工程项目的多方案比选作出评价决策。
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- Human ecology is a branch of social science. 人文生态学是社会科学的一个分支。
- Red turpentine beetle (Dendroctonus valens, RTB), which was probably introduced from USA, is one of the most important invasive pests in Chinese forest ecological system. 摘要红脂大小蠹是我国重要的外来入侵害虫,给我国林业生产和国土生态安全带来巨大危害。