“nadir”的概念、定义、翻译、参考文献-科学参考

单词	nadir
释义	nadir [`nā·dǝr] ^ASTRONOMY That point on the celestial sphere vertically below the observer, or 180° from the zenith. ^OCEANOGRAPHY The point on the sea floor that lies directly below the sonar during a survey.
随便看	Bartonian Bart reaction bar turret lathe bar-type grating bar winding barycenter barycentric coordinates barycentric element barycentric energy Barychilinidae barye Barylambdidae baryon baryon number baryon octet baryon resonance baryon spectroscopy baryon-to-photon ratio barysphere baryta feldspar baryta water baryte Barytheriidae Barytherioidea barytine

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