telecom engineering technics and standardization
电信工程技术与标准化 ( Telecom Engineering Technics and Standardization ),2004,3 5 ITU-T Rec G821,Error performance of an international digital connection forming part of an ISDN.
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telecom engineering technics and standardization
电信工程技术与标准化
以上为机器翻译结果,长、整句建议使用 人工翻译 。