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单词 principal meridian
释义

principal meridian


principal meridian

[′prin·sə·pəl mə′rid·ē·ən] (civil engineering) One of the meridians established by the United States government as a reference for subdividing public land.

principal meridian


principal meridian

One of the imaginary lines running north and south,used as references for the public land survey system. There are 37 principal meridians in the United States. Each one has a name, and the names are used to distinguish the various surveys that eventually made up the public land survey system.

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更新时间:2025/2/1 1:50:02