大数据时代下,信息泄露无处不在,人人都处于"裸奔"的风险之中。所谓"道高一尺魔高一丈",黑客们总是无孔不入的击破人们的防御底线。如今国内"all in one"的安全防护服务覆盖面广,但是针对性和攻防能力也随之减弱。在美国硅谷,一些新兴安全企业已经开始对传统的安全厂商长期形成的安全防御模式形成了冲击,他们选择主攻安全领域的某一个环节,力求在一个领域做到极致。在近日举办的2014中国互联网安全大会(
The structure and function of network is a central issue in landscape ecology.Road networks with hierarchical structure are crucial for understanding landscape dynamics.In this study,we compared the d
Roads are conspicuous components in a river landscape;however,their impacts on river landscape patterns and ecological processes have not been systematically studied at the watershed scale.In this pap
The Ulanbuh Desert borders the upper reach of the Yellow River.Every year,a mass of aeolian sand is blown into the Yellow River by the prevailing wind and the coarse aeolian sand results in serious si
Uncertainty is one of the greatest challenges in the quantitative understanding of land-surface systems.This paper discusses the sources of uncertainty in land-surface systems and the possible means t
Traditionally,patch-based analysis at the landscape scale fragmentation has been used in the study of landscape ecology while the study of boundary and node has not been considered as much detail unti
This article presents the findings of a study of the spheres of urban influence with regard to all cities in China(not including Hong Kong,Macau and Taiwan Province of China)in the years 1990,2000 and
The Crescent Moon Spring is a precious natural heritage. However, the dynamic characteristics of megadunes around the Crescent Moon Spring are not well known. This paper quantitatively studied the cha
The spatial and temporal changes in aeolian transport over a dune are fundamental factors that control the morphology of the dune.In the present study,we obtained direct field observations of aeolian