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According to the present situations of protected area in China and referring to the definition and category abroad, we suggested the forest natural protected area mainly include three types as follow: Nature Reserves (NR; types of forest eco-system), Forest Parks and Public Welfare Tree Farm. Researches of evaluation on ecotourism resources of forest natural protected area focused on two aspects basically: to appraise and account the ecotourism resources monetarily from the standpoint of pure economics; to assess the exploitability of ecotourism resources based on the theories of conservation biology and ecology, in which finding the reasonable equilibrating point between protection and: utilization was emphasized. On the studies of development pattern of forest ecotourism resources, it is necessary to deal with the relationship between protection and exploitation correctively, namely to put the protection as the first consideration and balance the "Tree r.1ajor Benefits" so that prompting the virtuous circle afforest ecotourism.

根据我国自然保护地的实际情况,参考国外自然保护地的定义与分类方式,可认为我国的森林自然保护地主要应主要包括森林生态系统类型自然保护区、森林公园及公益林场三种类型;森林自然保护地的生态旅游资源评价研究主要集中在两方面:一是单纯地从经济学角度对旅游资源游憩价值进行货币化评价与核算,二是从保护生物学和生态学角度对资源的可开发性进行评价,其侧重在于找到保护与开发的的科学平衡点;在森林自然保护地旅游资源的开发模式研究上,必须正确处理开发与保护的关系,把保护放在第一位,坚持"三大效益"兼顾的原则,才能实现森林生态旅游资源开发与保护的良性循环。

Power system ; unstable equilibrium point; critical cut-set ; transient angle stability

电力系统;不稳定平衡点;临界割集;暂态功角稳定性

Bifurcations of limit cycles of a cubic Kolmogorov s system are investigated at the positive equilibrium point .

研究了一类三次Kolmogorov系统在正平衡点处的极限环分支问题。

Similarly, we must have a balance between the current and classical knowledge.

类似地,我们也必须在当代与古典的知识中找到平衡点

Based on this, the author makes some constructive suggestions concerning how to regulate the demolition to achieve the balance of benefit between the demolisher and the demolished, therefore protecting the legal rights of all the parties involved and assuring that city construction can be carried out successfully.

在此基础上,对规范拆迁行为提出建设性的意见,以期在拆迁人和被拆迁人之间找到利益的平衡点,既实现拆迁人的经济利益,又维护被拆迁人的合法权益,保证城市建设的顺利进行

"Balance economic development and sustainable dev."

环境保护与经济发展的平衡点

The existence,uniqueness and globally exponential stability of the equilibrium point of a dynamic neural network with distributed delay s were studied without assumption of boundedness and differentiability of activation functions.

在没有假定激励函数有界、可微的情况下,研究包含分布时滞的动态神经网络平衡点的存在性、唯一性和全局指数稳定性。

Everyone, in their own disharmony Strings, the search for a new equilibrium point.

每个人,都在为自己不和谐的情弦,寻找新的平衡点

So, the DOH makes the use of hospital accreditation to push all hospital to respect the three perspectives.

因此,划时代的平衡计分卡所强调的四个构面的因果关系与平衡关系,就成为医院经营者要在这四个构面之间寻求平衡点,最完美契合的管理工具。

We explicitly derive a domain of attraction for the positive equilibrium of system by using Liapunov method. We also investigate Hopf bifurcation by using Hassard method. Finally, some numerical simulations are made for system.Our paper are separated into seven chapters.

本文对一类具时滞和比率依赖的HollingⅢ型捕食-食饵系统进行了研究,利用Liapunov方法精确估计了正平衡点的吸引域,并利用Hassard方法研究了系统的Hopf分支,最后本文对一个具体模型进行了数值模拟。

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推荐网络例句

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石!

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻,也许正是在通往天国的路上,我体验着这白色的晕旋。

When you click Save, you save the file to the host′s hard disk or server, not to your own machine.

单击"保存"会将文件保存到主持人的硬盘或服务器上,而不是您自己的计算机上。