当数据在易受攻击的环境中流动时，电话和手持设备的许多可用操作系统只能提供很少的甚至无安全性。
When data is flowing through a vulnerable environment, many of the available operating systems for phones and handheld devices offer little or no security.
在投资者电话会议上，RIM经理人将老款手持设备的惨淡需求归咎于第二财季末公司推出的使用新软件系统的智能手机。
On a conference call with investors, RIM managers blamed weak demand for older handsets as it introduced smartphones based on new software late in the quarter.
这些设备是个人数据助理(PDA)、手持PC、无线笔记本电脑、蜂窝式移动电话(cell phone)、置顶盒(set - top box)、车辆内部的信息系统和用于普及计算的其他设备。
These devices can be PDAs, handheld PCs, wireless laptops, cell phones, set-top boxes, in-vehicle information systems, and other devices for pervasive computing.
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