GPS標稱誤差15米。用差分GPS，根據地麵站精確位置和衛星計算位置之差，提供校正信號，可使GPS誤差降至1~3厘米。

來源: 半坰於 2024-08-14 09:33:36 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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