Light-gathering and refraction effects of cutting faces endow chatons with excellent brightness and enchanting fancy hues.

通过切面的聚光和折射作用，使得水钻有着很好的亮度和迷人的彩光。

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Using the Snell's law in polar coordinates, the ionospheric refraction effects on the declination and right ascension determination is discussed in this paper.

本文利用极坐标下斯涅尔定律，系统地讨论了电离层折射对赤经赤纬的修正问题，并据此给出了射线描迹法。

youdao

Using the Snell's law in polar coordinates, the ionospheric refraction effects on the declination and right ascension determination is discussed in this paper.

本文利用极坐标下斯涅尔定律，系统地讨论了电离层折射对赤经赤纬的修正问题，并据此给出了射线描迹法。

youdao