三站定位系统

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This page is a translated version of the page Dictionary:Triad and the translation is 100% complete.

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构成定位系统的三个台站 (一个主台, 两个从属台), 例如罗兰, 雷狄斯等定位系统就是这样. 主台及三个从属台形成星状定位系统.