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- Ecological Security Principle 生态安全原则
- The exploitation of the Sanmenxia wetland eco-tourism sustainable development and principle of ecological security, full excavate resource potential and develop diversity production. 黄河三门峡湿地生态旅游开发要坚持可持续发展和生态安全原则,充分挖掘资源潜力,开发多元化的旅游产品。
- Results Landscape scale is the right scale to assess regional ecological Security. 结果景观尺度是区域生态安全评价的适宜尺度。
- A basic security principle states that applications should run with no more than the permissions they need. 一个基本的安全原则指出,应用程序运行时不应拥有超过其所需的权限。
- The status quo of China's forestry indicates that forestry development does not meet the requirement for maintaining ecological security. 林业现状说明,林业发展与维护生态安全的要求极不适应。
- Country security Principle has been not, and will not be the reason of requesting Sovereignty to the other country. “国家安全原则”从来不是,现在更不应该是一国对另一国领土提出主权要求的理由。
- And then the method of ecological security was applied to the case of Kaifeng city and some suggestions on ecological security construction were put forward. 在此基础上,以开封市为研究对象,对开封旅游的生态安全进行了定量的研究,提出了开封市旅游生态安全建设的若干建议。
- The main causes for the deterioration of land ecological security are unreasonable reclaimation、 denudation, overgrazing and the extensive farming. 滥垦、滥伐、过度放牧以及粗放经营的生产方式是导致该地区土地生态环境安全状况不断下降的主要原因。
- An approach to the formal specification of the structure, function and the security principle of a certificate management system is presented. 把认证管理系统的分布式结构抽象为无圈有向图;在图中讨论了如何通过不同的有向道路得到相同的有效证书.
- Hyphantria cunea invaded Jinan for the first time in 2007, and has caused serious damage to city scape and ecological security of Jinan. 摘要2007年美国白蛾首次入侵济南市,对城市景观和生态安全构成严重威胁。
- "Country security Principle" has been one of the basic theories of Nansha Islands Sovereignty Request by Philippines Government. 摘要“国家安全原则”是菲律宾政府提出南沙群岛主权要求的法理基础之一。
- China's ecological situation is grim with aquaculture pollution,soil erosion and desertification threatening the country's ecological security. 我国生态形势十分严峻,水产品的污染、水土流失和土地沙化威胁着国家生态安全。
- This raises a new requirement for supervising and developing forest resources of state-owned forest areas and protecting China"s ecological security. 对国有林区森林资源实施监督,是保证国有林区森林资源所有者权益的必要措施和手段。
- Regional ecological security research has the macroscopic and target characteristics, and the assessment standards are relative and in development. 区域生态安全研究具有宏观性和针对性的特点,评价标准具有相对性和发展性。
- The results showed that the comprehensive index of ecological security of Zigui County was 0.48, indicating a insecure state. 结果表明:秭归县生态安全综合值为0.;48,处于不安全状态。
- By the analysis of the tendency of regional ecological security from 1990 in Yulin, we can find that ecological security of Yulin presents a power function development. 通过对榆林市1990年以来生态安全变化趋势分析可知:榆林市的生态安全状况呈现出幂函数发展态势。
- Yulin District and Hengshan County were taken as the cases, and ecological security index system was constructed to assess the security levels of the two regions. 选择了榆林市和横山县两个行政单元,针对区域特征,构建了不同尺度上的生态安全指标体系,利用层次分析法,对不同尺度上生态安全的空间分异进行了研究。
- Based on security principle and implementation technology for data base, the security of data base in Beijing FMS Experimental Center (BFEC) is studied and the design method for its security is introduced in detail. 从数据库安全原理及实现技术出发,对北京柔性实验中心(BFEC) 数据库的安全性进行了研究与设计,详细阐述了BFEC数据库的安全设计方法。
- Healthy wetland ecosystem is a very important constituent of national ecological security system and an important foundation of social and economic sustainable development. 健康的湿地生态系统,是国家生态安全体系的重要组成部分和社会经济可持续发展的重要基础。
- Wuzhong district of Suzhou city being taken as an example,with this indicator system,the comprehensive evaluation of landscape ecological security in 1984 and 2002 was conducted. 结果表明;景观生态安全评价综合指数从1984年的63.;29%25下降到2002年60