全球数字通信系统 最早被称为泛欧通信系统由于后来使用该技术标准的国家与地区越来越多被称为全球通
The Global digital communication system was originally called the Pan-European communication system because more and more countries and regions that use this technical standard are called global communication
以上为机器翻译结果，长、整句建议使用 人工翻译 。