易语言开发的串口AT指令帮助大家测试 AT+CGMI 获取厂商型号 AT+CGMM 获取手机型号 SIM的IMSI号 AT+CGMR 软件版本号 ATE1回显内容ATE0不回显内容 ATD+电话号码 拨号 ATH挂机 ATA接电话 AT+CPAS 获取当前状态：0无状态，4拨号中，3接电话中 AT+CSCA?获取短信中心的号码 AT+COPS?查询网络注册情况 AT+CBC查询电池电量 0:模块由电池供电,BCL为电量1:模块由外部电源供电

The market price of a good is determined by both the supply and demand for it, so the economic model is very important for the consumers and the suppliers, and then we need a way to measure this model. This report is an attempt to give us some idea