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- Long long ago, we knew the periodic motion of a planet. 很久以前, 我们就知道行星的周期运动。
- The total energy consumption includes the energy of maintaining in the vertical periodical motion,the horizontal KE increment and overcoming the resis-tance from the air and the ground. 总能量消耗包括维持垂直方向周期运动的能耗、维持水平方向动能增加的能耗和克服水平方向的空气和地面阻力做功的能耗。
- The numerical results show that the time domain response of the laminated plates induced by the in-line force of non-steady component oscillating flow is similar to harmonic motion with certain ribbon which is formed by period motion. 计算结果表明,零均值流量脉动流顺流向作用力诱发反对称角铺设层合板的时域响应近似于具有一定带宽的谐波运动,而这一带宽又是由一定周期运动形成的。
- Periodic motion is motion in which the position(s) of the system are expressible as periodic functions, all with the same period. 周期性运动 是系统的运动位置呈现周期性的运动。
- The harmonic oscillator is an exceptionally important example of periodic motion. 谐振子在周期运动中是特别重要的。
- A small periodic motion of the celestial pole of Earth with respect to the pole of the ecliptic. 章动地球天极就黄道极而言的小的周期性转动
- It can be seen that a study of periodic motion will lay the foundation for future work in many different fields of physics. 由此可见,周期运动的研究,是研究物理学各个领域的基
- W.Hai, Y.Duan, L.Pan. An analytical study for controlling unstable periodic motion in magneto-elastic chaos[J]. Phys. Lett., 1997,A234:198. 海文华;段宜武;朱熙文等.;控制离子云混沌运动中的不稳定性[J]
- Periodical motion of an ion-cloud in an anharmonic Paul trap 非谐射频阱中离子云系统的精确周期解
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- Robust periodic motion control of the mover of a permanent magnet (PM) linear synchronous motor (LSM) drive is achieved by use of a recurrent neural network (RNN) controller in this study. 摘要本研究利用递迴式类神经网路控制器来达成永磁线型同步马达动子位置之周期性运动的强健性控制。
- Reader's Digest is a periodical. 《读者文摘》是一种期刊。
- I expect regular periodical reports from you. 我期待你定期汇报。
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。
- We studied the periodic motions due to the nonlinear resonances of D-C and C-N stretches of DCN molecule. 我们对氰化氘(DCN)振动体系的非线性效应引致周期轨迹的过程进行详细的研究。
- He consulted the chronicles of the period. 他参考了这一时期的编年史。
- A periodical published yearly; a yearbook. 年刊; 年鉴每年出版一次的期刊; 年刊
- He had to decide within a given period. 他得在一定时间内作出决定。
- She has a detailed knowledge of this period. 她对这段时期的情况了解地相当详细。