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- simple periodic motion 简谐运动,简周期运动
- 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 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]
- 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。
- Simple periodic vibration and wave motion graph demonstrator 简谐振动、波动图象演示器
- 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。
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- 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。
- 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。
- Active Control Wave Propagation in Simple Periodic Structures 简单周期结构波传播主动控制研究
- Small savoury biscuits provide a simple appetizer. 可口的小饼乾就是简单的开胃品。
- 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。
- A slide-rule is a simple analogue computer. 计算尺是简单的模拟计算机。
- I like my clothes to be simple but elegant. 我喜欢朴素但漂亮雅致的衣服。
- I think this problem is very simple and clear cut. 我认为这个问题非常简单明白。
- My father was a simple farm-worker. 我父亲是个普通的农民。
- Two from five is a simple subtraction. 五减二是简单的减法。
