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- Vibration and forced nutation can be brought by imbalance of seeker gyro rotor which can reduce performance and life of the seeker system. 转子上的不平衡会给位标器陀螺带来振动和绕动,影响系统的性能和寿命。
- This paper presents the basic construction and movement rules of the coordinator gyrorotor with reticle of Archimedes spiral reticule pattern, Also, it explains the principles and methods of dynamical balance to damp the vibration and forced nutation. 阐述了具有阿基米德螺旋线图案的位标器的基本原理及其运动规律，并说明这种陀螺转子的振动与绕动的平衡原理与方法。
- The singer forced his low notes. 那位歌手勉强唱出低音。
- A terrible storm forced the ship to put back. 可怕的风暴迫使这条船返航了。
- I was forced to sign the agreement against my will. 我被迫违心地在协议上签了字。
- The town was forced to yield after a long siege. 该城受长期围困而被迫弃守。
- The British line was forced back a short distance. 英军的阵线被迫后退一段距离。
- The truck was forced to lie by for repairs. 卡车不得不停下来修理。
- They forced me to do things against my will. 他们强迫我做违背我心意的事。
- A thunderstorm forced him to take refuge at a hut. 一场雷雨迫使他躲在草屋里。
- The enemy was forced to retreat. 敌人被迫撤退。
- Many serfs were forced to work hard. 许多农奴被迫拼命工作。
- He is forced at gunpoint to open the safe. 他在枪口的威胁下被迫去打开保险柜。
- The war forced us to depart from the old customs. 战争迫使我们不得不违背旧习俗。
- Donald be forced to forge a signature. 唐纳德被迫伪造签字。
- He was forced by the circumstances to do this. 他做此事是为环境所迫。
- The boss forced this difficult task upon him. 老板强迫他做此难事。
- I am forced to sign the agreement against my will. 我被迫违心地在协议上签了字。
- The enemy were forced to give in. 敌人被迫投降。
- forced nutation 受迫章动
