The current navigation and positioning service will mainly be provided by the other six satellites.

现在的定位导航服务将主要由其他六颗卫星提供。

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International agencies have agreed that retired hardware - old satellites or spent rocket stages - should be removed from space within 25 years of the end of service.

国际机构表示，包括老旧的卫星和废弃的太空舱在内的报废航天器应当在25年的服役期期满之前被清除出轨道。

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Boeing has built more than 260 commercial and civil satellites that have achieved a total of 2,500 years of service.

波音公司已制造了超过260颗商用与民用卫星，总服役期累积达到2500年。

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Two more satellites to service the Asian and American markets are planned for launch next year.

CNN: Ariane rocket orbits U.S. communications satellites

Two more satellites to service Asia and Latin America are set for launch next year.

CNN: Ariane to launch radio satellite for Africa

It plans to put in orbit at least another six satellites to boost service reach and quality.

BBC: Soyuz back in service after failed launch