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单词
secular resonance
释义
secular resonance
Encyclopedia
理学
轨道共振
释
secular resonance
长期共振
发生在两个围绕共同主天体运动的天体（如行星）的慢变量（近点经度进动，升交点经度进动）之间的共振。当两个天体之间的近点经度或升交点经度的进动频率相当，则可能发生共振。由于其共振周期比直接反映轨道运动的快变量导致的平运动轨道共振周期长得多，所以称为长期共振。
Astronomy
secular resonance
长期共振
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