With the participation of human, the uncertainty of data and information system becomes more and more delighted.

随着人类的参与使数据与信息系统中的不确定性更加显著。

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Unit 2: This unit includes chapter 3 and chapter 4. The security model has been designed by the studies on the security of the data and information system.

第二部分，通过对数据及信息系统安全的探讨得出列车运行图信息系统的安全模型，包括第三、四章。

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NASA Earth Observatory image by Jesse Allen, using near-real-time data provided courtesy of TRMM Science data and Information System at Goddard Space Flight Center.

美国航太总署地球大观，制图：杰西·艾伦，使用了由戈达德宇航中心的热带降雨测量任务科学数据与信息系统提供的准实时数据。

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For instance, if your firm needs to acquire a business in order to achieve growth (to follow a client, say, or enter a new market) can you quickly integrate the data and information from a different system and make it part of the fabric of the firm?

FORBES: Agile Adaptation: Firm Administration For Professional Services

The loss of observations of key Earth system components and processes will weaken the ability to understand and forecast changes arising from interactions and feedbacks within the Earth system and limit the data and information available to users and decision makers.

FORBES: Losing NASA's Eyes in the Sky

This is the role of the UNESCO Intergovernmental Oceanographic Commission, and specifically the Ocean Biogeographic Information System, part of the International Oceanographic Data and Information Exchange.

UNESCO: OFFICE IN BRASILIA