中文: abbr. 政府标准手册(Government Standards Manual);销售总经理(General Sales Manager);全球移动通信系统(Global System for Mobile Communications)
中文: abbr. Great Smoky Mountains National Park (Tennes see and North Carolina) 大斯摩基山脉国家公园(田纳西和北卡罗来纳州)
中文: abbr. gateway service for network 网络网关服务; group selection network 群选择网络; group switching network 群交换网络; generalized shuffle network 广义混洗网络