订阅和阅读安全公告，了解您的操作系统和应用程序软件面临的威胁，判断这些问题是否会危害您的配置。
Subscribe to and read security bulletins to learn of threats to your operating system and application software, and determine whether each threat endangers your specific configuration.
在受灾现场，所有的大型救援行动都设有通讯中心，援助人员可以在那里发送电子邮件、阅读最新的安全资料，以及研读受灾地区的卫星地图。
On the ground, all big relief operations have communications centres where aid workers go to send e-mails, read the latest security updates and study satellite maps of the affected area.
在大多数情况下，启用安全特性需要非技术用户阅读为专家编写的用户手册。
In most cases, enabling security features requires a non-technical user to read manuals written for the technologist.
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