The MEO satellites are used in the GNSS space segment and in future will still be the mainstay in this segment possibly with the addition of the HEO (High-altitude Earth Orbit) satellites.

全球导航卫星系统(GNSS)空间段采用MEO轨道卫星，未来将仍然以MEO为主，可能有HEO轨道卫星加入运行。

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A generalized high performance navigation system is provided using low earth orbit (LEO) satellites.

提供了一种使用近地轨道(LEO)卫星的通用化的高性能导航系统。

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This is opening new opportunities for even high school students and hobbyists to launch satellites into low earth orbit and dream of going there themselves.

FORBES: Private Space Transportation Reaching New Heights