无论是从技术观点还是从威胁类型的观点讲，二者都存在显著区别。

The difference between these two is significant, both from a technical standpoint and from a threat profile standpoint.

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对于移动设备的物理威胁主要有三种类型：借出、丢失和盗窃。

There are three basic types of physical threats to mobile devices: Lending, loss, and theft.

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这种新类型的高性能设备可以在开启验证的情况下处理进入的 XML 消息，同时注意 XML 威胁。

This new type of high performance appliance can process incoming XML messages with validation turned on, while looking for XML threats.

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Because it's working to defend us against many different kinds of potential assaults, the immune system has a diverse repertoire of responses that it uses in the face of these assaults.

免疫系统的工作就是抵御,不同种类的潜在威胁,免疫系统具备类型众多的免疫反应类型,以应对各种威胁

耶鲁公开课 - 生物医学工程探索课程节选