Ecological security is defined as the goal of stakeholders to create a condition where the physical surroundings of a community provide for the needs of its inhabitants without diminishing its natural stock. 摘要生态安全是指一个社会的物理环境能够在满足居住者需要的同时,又不削弱其自然储量的状态。
Biomass of Fine Root in Different Community Type on the Tibetan Vegetation Transect Characteristics of Biomass and Carbon Stock of Fir and Birch Fine Roots in Subalpine Forest of Western Sichuan, China 拉萨-林芝植被样带不同群落类型的细根生物量川西亚高山冷杉和白桦细根生物量与碳储量特征
Then this paper investigated community structure in complex networks. We divided up networks of stock prices 'relationships under different thresholds appointed and got communities which were similar with stock boards plotted out by industries and guided separated investments. 并研究了复杂网络的社团结构,在不同的参数下对指定阈值下的证券市场网络进行分割,得到类似于按行业划分的股票板块而具有分散投资指导意义的社团。
In the theoretical community, the scholars about the nature of employee stock ownership will be verified, most tend to employee stock ownership will be protected. 在理论界,学者们对于职工持股会性质的考证,大多倾向于对职工持股会的保护。
Improved CNM algorithm, introduce nod weight and link weight to make the algorithm applicable to detect community structure of large-scale weighted network, then use it to analysis stock market price volatility. 改进CNM算法,引入点权和边权使其适用于大规模加权网络的社团结构划分,并将此算法引入到股票市场价格波动分析中。
However, the impact of various factors by the community, the quotations of the securities market and the rules are very complex, using traditional techniques to forecast potential stock, the result is not satisfactory. 然而,受社会多方面因素的影响,证券市场的行情及规律十分复杂,采用传统技术进行预测,效果不甚理想。
The casual relationship between finance development and economic growth has received extensive attention in the academic community. The role of insurance industry, although growing in importance in financial intermediation, has not been studied as extensively as the role of the banking sector and the stock market. 金融发展与经济增长的关系问题一直受到学术界的广泛关注,尽管保险业在金融中介中的作用日益重要,而有关其对经济增长影响的研究相对较少。
By analyzing the structure characteristics and invulnerability of the network, and divided the community structure of the network, to analyze the outbreak of the current financial crisis from a stock market network perspective. 通过分析所建网络的结构特征和抗毁性,并对网络进行社区划分,以从股市网络的角度来研究分析当前金融危机的爆发。