n. 先行, 优先
[化] 进动; 旋进
n. the motion of a spinning body (as a top) in which it wobbles so that the axis of rotation sweeps out a cone
n. the act of preceding in time or order or rank (as in a ceremony)
以上参考资料就是本英汉词典详细汇总的单词precession的翻译英语含义，如有错漏请向我们提供反馈意见。