您要查找的是不是：
- In this paper, the problem of controlling the Euler's dynamically buckling problems by means of the coupled feedback controlling and periodic force excitation were studied. 摘要研究了利用藕合反馈控制法和周期激振力法来控制欧拉动弯曲问题。
- WANG Min-qing, SHENG Mei-ping, SUN Jin-cai, et al.Vibrational power flow in infinite stiffened-plates with force excitation applied on plate[J].Acta Acustica, 1997,22(4) :323- 328. [7]王敏庆;盛美萍;孙进才;等.;板受力激励下加筋板结构振动功率流[J]
- The primary resonance bifurcation problems are discussed for an arch structure with parametric and forced excitation. 摘要研究拱型结构在参数激励与强迫激励联合作用下的主共振情形的分叉问题。
- Magnetic force excited by moving magnetic field media with permanent magnet breaks a new way of EPM. 以永磁材料为工作磁体的运动磁场在熔融金属中产生电磁力，对金属熔体进行驱动控制的方法开辟了材料电磁加工的新技术。
- In order to use actu ators most effectively,the optimal control of the feedback force excited by the actuator has been analyzed in the last part of the paper. 在理论分析的基础上，对反馈装置带来的控制力进行优化分析，尽可能地提高了驱动器的使用效率。
- Reversing-time limiting of forced excitation 强励反时限限制器
- It is vain to attempt to root out heresy by force. 试图用暴力消除异端邪说是徒劳的。
- parametric and forced excitation 参数强迫激励
- Napoleon conquered by the force of an iron will. 拿破仑攻无不克靠的是坚强的意志。
- But they refused to bow to force. 但他们拒不向武力低头。
- I had to use force in opening the door. 我不得不用力开那一扇门。
- The invasion force was annihilated. 侵略军被消灭了。
- When do the new safety rules come into force? 新的安全规则何时生效?
- The destructive force of the storm is huge. 暴风雨的破坏力是巨大的。
- Many old rules are not in force any more. 许多旧的制度都已经失效。
- Beiyang Navy is the earliest naval force of China. 北洋水师是中国最早的海军部队。
- The farm labour force is running down steadily. 农场里的劳动力在不断减少。
- No power on earth could force me to do it. 谁也不能强迫我做这事。
- Pressure is force per unit area. 压力就是电单位面积上的力。
- If other means fail we shall resort to force. 如果其他手段均告失败，我们将诉之武力。
