“primary great circle”的概念、定义、翻译、参考文献-科学参考

单词	primary great circle
释义	primary great circle [`prī´mer·ē `grāt `sǝr·kǝl] ^GEODESY A great circle used as the origin of measurement of a coordinate; particularly, such a circle 90° from the poles of a system of spherical coordinates, as the equator. Also known as fundamental circle; primary circle.
随便看	Xiphydriidae xi-zero particle XOFF XON XOR X organ x-parallax XPS X punch x-radiation x-ray absorption x-ray absorption near-edge structure x-ray analysis x-ray astronomy x-ray background x-ray binary x-ray burster x-ray cluster x-ray crystallography x-ray crystal spectrometer x-ray diffraction x-ray diffraction analysis x-ray diffractometer x-ray emission x-ray film

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