nutation

英 [njuː'teɪʃən] 美 [njuː'teɪʃən]

• n. 点头；[天]章动；[植]转头运动

英英释义

Noun:

1. uncontrolled nodding

例句

用作名词 (n.)

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。
2. Our model of the non-rigid Earth nutation and related works are introduced, and the trend and the prior research fields of this research work are also discussed.
   重点介绍了包含海洋和大气的非刚体地球章动模型和有关研究工作，并对将来的发展方向作了讨论。
3. For climbers nutation increases the likelihood of a solid support being found.
   攀缘植物往往也具有转头运动。

词汇搭配

• constant of nutation 章动常数
• differential nutation 较差章动
• forced nutation 受迫章动
• nutation angle 盘旋角
• free nutation 自由章动
• automatic nutation control 自动章动控制...
• active nutation damper system 有源章动阻尼系统...