“principal meridian”的概念、定义、翻译、参考文献-科学参考

单词	principal meridian
释义	principal meridian [`prin·sǝ·pǝl mǝ`rid·ē·ǝn] ^{CIVIL ENGINEERING} One of the meridians established by the United States government as a reference for subdividing public land.
随便看	amplitude response amplitude selector amplitude separator amplitude shift keying amplitude splitting amplitude suppression ratio amplitude-versus-frequency distortion amp-turn ampule Ampulicidae ampulla ampulla of Lorenzini ampulla of Vater Ampullariella ampullary organ amputation Ampère balance Ampère currents Ampère law Ampère rule Ampère theorem AM radio AM signature amtrac amu

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