岁差

岁差 [suì chā]

1. ■ {天} precession of the equinoxes; precession; equation of equinoxes

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常用词组

1. ■ 岁差常数 precessional constant;

2. ■ 岁差圈 precession circle;

3. ■ 岁差系数 precession coefficient;

4. ■ 岁差锥 precession cone