All these sensors work synergeticly with the software and hardware systems. Together, they transform a PDA into a communication media between human begins and their entire physical environment.
所有这些感应器与软硬件系统共同作用，使一台PDA变成了人与整个物理环境进行沟通的媒介。
The part of software refers to processing code generation and compilation, communication, human-machine operation and display, interpolation and system management procedures and so on.
软件部分主要涉及加工程序代码生成与编译、通讯、人机操作与显示、插补与系统管理程序等。
Function realization and software design of these modules such as GPRS communication, human-computer interaction, data processing, AD conversion are presented in detail.
阐述了GPRS通讯、人机交互、数据处理、AD转换模块白勺功能实现和软件设计。
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