China's two fixed-line operators, China Telecom and China Netcom, are suffering as consumers defect to mobile phones for local calls and to cheap internet-based services for long-distance calls.

中国两家固定线路运营商中国电信和中国网通正在遭遇用户流失，由于移动电话既可以提供本地通话服务，也可以提供廉价的基于因特网的长途通话服务。

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Nokia, which makes almost four in ten of all the mobile phones sold worldwide, last week reported its first quarterly loss in more than a decade as its customers defect to the iPhone.

在全球所有已售出的手机中，10款中有4款是诺基亚的，而由于消费者纷纷地购买iPhone手机，诺基亚上周公布，在十多年里，它首次出现了季度亏损。

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Then comes the introduction of the relative theories on the embedded mobile database (EMDB) and power line patrolling flow and the defect disposal method in detail.

对于和嵌入式移动数据库相关的理论和技术、线路巡视流程和缺陷处理方法，都用模型和流程图作了较为重点的叙述。

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