precession
英
[prɪ'seʃən]
美
[prɪ'seʃən]
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n.
名词
- 先行
- 领先
- 【天】岁差
- 领前
- 【物】进动
- 旋进
- 前行
- 前进运动
- 进动力矩
- 运动
- 优先
Noun:
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the motion of a spinning body (as a top) in which it wobbles so that the axis of rotation sweeps out a cone
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the act of preceding in time or order or rank (as in a ceremony)
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用作名词 (n.)
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In the third chapter, precession cone semi-angle is discussed.
第三章主要讨论进动锥角的问题。
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Spacecraft tracking could look for a similar precession of Mars's orbit.
利用追踪太空船,也可以找寻火星轨道类似的进动。
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It goes backward, and is therefore called a precession.
它有前向后推,因此称做一个岁差。
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He then accounts for the precession of the equinoxes.
然后他解释分点岁差。
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