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- 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。
- The singer forced his low notes. 那位歌手勉强唱出低音。
- Speakers who know how to excite a crowd. 知道怎样打动人群的演讲者
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。