at命令集 meaning in Chinese

at command set

A gprs device , which resembles a modem with an extended at command set , must define a context using an at command before it enters data mode
Gprs设备类似于拥有扩展at命令集的调制解调器，在进入数据模式之前必须使用at命令定义一个上下文。
After , the technology of serial port communication and socket communication are studied deeply , and analyzing the feature of gsm modem and at command for gsm modem , based on this , software design concerning communication - interface module is accomplished
本文进一步研究了串口与socket通信机制，在详细分析了gsmmodem的at命令集后，完成了通信模块的软件开发。
The fundamental knowledge of the communication is introduced in the paper , followed by the introduction of the modem , one of the most important devices used in the process of communication . the operation mode and at commanding is introduced in detail . then the paper focuses on the integral design idea of the system and concrete realization process
该系统具有设备简单、成本低和准确实用的特点，对于目前电力系统的应用价值较高。本文介绍了计算机通信基础知识和在通信过程中极其重要的设备? modem (调制解调器) ，对modem的工作方式和at命令集作了较为详细的介绍。