The ground segment.

——地面段。

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The BDS is mainly comprised of three segments: space segment, ground segment and user segment.

北斗系统由空间段、地面段和用户段三部分组成。

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This paper describes the understanding on earth observation satellite ground segment mission control system.

阐述了对地观测卫星地面管理控制系统的认知和理解。

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"The closest will be adjusted when we are through the commissioning phase, " explained Dr Zink, who is project manager for the TanDEM-X ground segment.

BBC: German radar satellites fly tight space waltz

"The two metres is what we call the relative accuracy, " explained Dr Manfred Zink, the project manager for the TanDEM-X ground segment at DLR.

BBC: Mapping Earth's surface in 3D

According to a survey by Spectrem Group, financial advisors are largely treading water with many wealthy investors, and worse, have lost significant ground with a key wealth segment, the company said in a press release.

FORBES: In Volatile Markets, Wealthy Unhappy With Financial Advisors