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国际电联已将1885－2025MHz及2110－2200MHz频段确定为第三代移动通信系统（IMT－2000）核心频段，并已制定相关的国际标准。我国也正在对第三代移动通信系统的技术体制、标准进行研究，并积极考虑其频率规划和相关技术试验。为保证我国相关频率规划的顺利实施和第三代移动通信
The ITU has identified the 1885-2025MHz and 2110-2200MHz bands as the core band of the third generation mobile communications system (IMT-2000) and has developed relevant international standards. China is also studying the technical system and standards of the third generation mobile communication system and actively considering its frequency planning and related technical tests. In order to ensure the smooth implementation of China’s relevant frequency planning and third-generation mobile communications