GSM数字蜂窝移动通讯系统（简称GSM系统）是完全依照O洲通讯规范化会（ETSI）拟定的GSM规范研制而成的，任何GSM系统都必须符合GSM技术规范。

(The GSM digital cellular mobile communication system (referred to as the GSM system) is completely developed in accordance with the GSM specifications formulated by the European Telecommunications Standardization Institute (ETSI). Any GSM system must comply with the GSM technical specifications.)

[下载]10334311583.rar

2022-8-2 10:33 上传

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GSM数字蜂窝移动通讯系统（简称GSM系统）是完全依照O洲通讯规范化会（ETSI）拟定的GSM规范研制而成的，任何GSM系统都必须符合GSM技术规范。

(The GSM digital cellular mobile communication system (referred to as the GSM system) is completely developed in accordance with the GSM specifications formulated by the European Telecommunications Standardization Institute (ETSI). Any GSM system must comply with the GSM technical specifications.)

[下载]10334311583.rar

2022-8-2 10:33 上传

文件大小: 179 KB
下载次数: 0