国网版的智能电表程序源码，包括：两套电价，分时计费，通信，预付费。-State Grid version of the smart meter program source code, including: two sets of price, time billing, communications, prepaid.

上海格州电子有限公司，此版本号只用于正式版软件的升级与维护(Shanghai State Grid Electronics Co., Ltd., this version number is only used for the official version of the software upgrades and maintenance)