optical nutation的用法和樣例：
例句
- 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設計方法。 - 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.
重點(diǎn)介紹了包含海洋和大氣的非剛體地球章動(dòng)模型和有關(guān)研究工作，并對將來(lái)的發(fā)展方向作了討論。
