Ensuring the safety of digital image information is a difficulty and hotspot in the domain of information processing technology nowadays.

确保数字图像信息的安全，是当前信息处理技术领域的难点和热点。

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While "the digital Earth" and "the digital city" construction upsurge starting, geographic information system technology more and more widespread application to urban planning domain.

随着“数字地球”和“数字城市”建设热潮的兴起，地理信息系统技术越来越广泛的应用于城市规划领域。

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If the digital signature is valid, the trusted application domain host passes the signature information as evidence to the runtime's policy mechanism.

如果数字签名有效，则受信任的应用程序域宿主将签名信息作为证据传递给运行时的策略机制。

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They sought to describe the role, value, and limits of public domain and open access to digital data and information in the context of international research.

UNESCO: SERVICE DE PRESSE