变焦透镜，成像设备，个人数据助理。
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.
该系统软件功能包括对服务器和个人数码助理（PDA）心电数据的收发、存储、波形显示和通信管理。
The functions of this system software include that it can realize ECG data transceiver, data memory, waveform display and communication management by using servers and Personal Digital Assistant(PDA).
它们的输入功能局限于几个按键或数字键，或者像个人数字助理（PDA）手写体识别功能那样，输入数据要花很长时间，它们所拥有的工作处理能力和内存都较小。
Their input capabilities are limited to a few buttons or numbers, or entering data takes extra time, as happens with a personal digital assistant's (PDA) handwriting-recognition capabilities.
它们的输入功能局限于几个按键或数字键，或者像个人数字助理（PDA）手写体识别功能那样，输入数据要花很长时间，它们所拥有的工作处理能力和内存都较小。
Their input capabilities are limited to a few buttons or numbers, or entering data takes extra time, as happens with a personal digital assistant's (PDA) handwriting-recognition capabilities.
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