Scientific positioning is both a very important issue in theory and a complicated one in practice.
科学定位是十分重要的理论问题，更是十分复杂的实践问题。
One of these is typically the satellite bus, the brains of the satellite containing positioning and radio equipment, while the other cubes carry the scientific experiments.
其中之一典型的是卫星巴士，卫星的核心部分包括定位和无线电系统，同时其他卫星携带科学实验装置。
They are well-suited for use in proprietary wireless communications networks, as well as for scientific observation, data gathering and the Global Positioning System (GPS).
这种卫星非常适合专有的无线通讯网络使用，也很适合于科学观察、信息收集和全球定位系统使用。
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