a. nutation的变形

nutation的用法和样例：

例句

用作名词(n.)

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。
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。
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...

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