nutation
英 [njuː'teɪʃ(ə)n]
美[njʊ'teʃən]
- n. [力][天] 章动；点头，垂头
英文词源
- nutation (n.)
- 1610s, "action of nodding," from Latin nutationem (nominative nutatio), noun of action from past participle stem of nutare "to nod," from PIE *neu- "to nod" (see numinous). Astronomical use is from 1715. Related: Nutational.
双语例句
- 1. A parameter design method of nutation cross - feedback control is investigated.
- 研究了章动交叉反馈校正的参数设计方法.
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- 2. People who have this nutation mutation need less sleep than others.
- 有这种变异基因的人睡到比别人少.
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- 3. In this paper, some deficiencies in nutation theory are discussed.
- 本文讨论了IAU章动理论的某些缺陷.
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- 4. People who have nutation this mutation need less sleep than other'sothers.
- 有这种变异基因的人们比常人少眠.
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- 5. The international research progress of the non - rigid Earth nutation is reviewed briefly.
- 对目前国际上有关 非 刚体地球章动研究的进展作了简要回顾.
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