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章动的英文

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"章动"怎么读用"章动"造句

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  • [天文学] nutation; nodding
    短语和例子

例句与用法

  • The wobble and precession - nutation on cip of elastic earth
    弹性地球cip轴的极移和岁差章动
  • Problema and solution in involute nutation gearing
    渐开线齿轮章动传动存在的问题与解决方法
  • Nutating disc flowmeter
    章动圆盘流量计
  • Nutation in longitude
    黄经章动
  • Nutation of gyroscope
    陀螺章动
  • Fibres optic interconnecting devices and passive components . basic test and measurements procedures . part 2 - 35 : tests . cable nutation
    光纤互连装置和无源元件.基本试验和测量程序.第2 - 35部分:试验.电缆章动
  • Therefore , the theoretical definition of cip and its dynamical equation on wobble and precession - nutation are given . considering precession - nutation moment up to 5
    由此对cip轴进行了理论定义,并给出了其极移岁差章动的动力学方程。
  • Based on classical dynamical equation on elastic oarth rotation , an associated dynamical equation containing both nutation and wooble of earth rotation has been deduced through introducing motion of nutation frame with respect to inertial spatial frame
    基于经典的弹性地球自转动力学理论,通过引入章动参考系相对惯性空间的运动,建立了弹性地球极移和章动的联合动力学方程。
  • During the work of designing the structure of parallel machine tool , in allusion to the main shortcoming of stewart platform mat its workspace is strait , we decide to design a stewart type parallel machine tool which fulfill the given spherical position workspace and have the best dexterity , genetic algorithm is used in this paper . because the calculation of the fitness function is complex , backpropagation arithmetic is used to approach fitness function . the results show that mis method has good accuracy and computing efficiency
    在并联机床的结构设计中,针对并联机床的工作空间有限且受刀具姿态影响大的弱点,提出了以保证非零最小可达章动角球形主工作空间的基础上,使操作灵敏度暨刚度分布最优化的设计目标,优化方法的选用了遗传算法,结合神经网络技术,该方法取得了很好的结果。
  • Order , the authors present the expression of precession - nutation of cip . theoretical result shows that odd order s precession - nutation moment causes out - of - phase longitude and obliquity nutation namely , there are cos term in longitude nutation , and sin term in obliquity nutation . moreover , it proves that the expression of precession is independent of earth model
    理论研究表明,奇数阶岁差章动力矩使得黄经章动和交角章动出现了异向项即黄经章动出现了cos项,交角章动出现了sin项,同时也证明了岁差表达式与地球模型无关。
  • 更多例句:  1  2
用"章动"造句  

其他语种

百科解释

章动(nutation)是在行星或陀螺仪的自转运动中,轴在进动(岁差)中的一种轻微不规则运动,使自转轴在方向的改变中出现如“点头”般的摇晃现象。
详细百科解释
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