nutation
英 [nju?'te??(?)n]
美 [nj?'te??n]
- n. [力][天] 章動(dòng)；點(diǎn)頭，垂頭
英文詞源
- 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.
雙語(yǔ)例句
- 1. A parameter design method of nutation cross - feedback control is investigated.
- 研究了章動(dòng)交叉反饋校正的參數(shù)設(shè)計(jì)方法.
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- 2. People who have this nutation mutation need less sleep than others.
- 有這種變異基因的人睡到比別人少.
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- 3. In this paper, some deficiencies in nutation theory are discussed.
- 本文討論了IAU章動(dòng)理論的某些缺陷.
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- 4. People who have nutation this mutation need less sleep than other'sothers.
- 有這種變異基因的人們比常人少眠.
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- 5. The international research progress of the non - rigid Earth nutation is reviewed briefly.
- 對(duì)目前國(guó)際上有關(guān) 非 剛體地球章動(dòng)研究的進(jìn)展作了簡(jiǎn)要回顧.
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