OCS for the Beijing Unicom full-service construction of the system has laid a solid technical foundation.

为北京联通全业务OCS系统的建设奠定了坚实的技术基础。

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The dispatch management is one of the important function in the network resources management (NRM) system of Beijing Unicom.

北京联通网络资源管理系统中的调度管理是系统的一项重要管理功能。

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There is still a big gap between Beijing Unicom and its strong competitor in terms of both network quality, the number of users and profits.

相对于强大的竞争对手，北京联通无论从网络质量、用户数量和公司利润等方面还存在着很大的差距。

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To adjust the imbalance, Beijing has scheduled China Unicom to take over fixed-line operator China Netcom (See " Beijing Smiles On China Unicom").

FORBES: Magazine Article

Mr Cook's comments came on a visit to Beijing to meet Chinese regulators and bosses of mobile network China Unicom.

BBC: Apple expects Chinese sales 'to overtake US'