libration

  • 网络天平动;摆动;天秤动
librationlibration

noun

1
(astronomy) a real or apparent slow oscillation of a moon or satellite
the libration of the moon

数据来源:WordNet

  1. The Effects of Physical Libration of Moon on Lunar Satellites

    月球物理天平动对环月轨道器运动的影响

  2. Influence of the lunar libration models on uto determination from lunar laser ranging

    月球天平动模型对激光测月解算UT0的影响

  3. The Research on Data Processing Monitor Network System of Shipping Libration

    船舶振动数据采集监测网络系统的研究

  4. Development Report on Noise Libration & Control Industry of China in 2008

    我国噪声振动与控制行业2008年发展综述

  5. The research on simulation of virtual prototype and experiment to the libration system of automobile

    汽车振动系统的虚拟样机仿真及试验研究

  6. On Characteristics of Collinear Libration Points and Their Applications in Deep Space Exploration

    关于共线平动点的特征及其在深空探测中的应用

  7. Linear Strategy for Positioning of Spacecraft around the Collinear Libration Points

    深空探测器定位在共线平动点附近的线性策略

  8. Applications of the Triangular Libration Points in Deep Space Explorations

    ph.1.三角测量点三角平动点在深空探测中的应用前景

  9. Application Research of Fault Analysis and Libration Monitor Technology of Portal Traveling Crane 's State Tianjin Port

    港口门座起重机故障分析及振动监测技术应用研究

  10. Study on Frequency Characteristics of Libration in Aerostatics Radial Bearing

    晶体管的频率特性气体静压轴颈轴承振动频率特性研究

  11. Overview of Orbital Dynamics and Control for Libration Point Orbits

    平动点轨道的动力学与控制研究综述

  12. The motor has the remarkable merit of little dimension , low libration and long life .

    该电机体积小、振动小、寿命长。

  13. The stable regions of Triangular Libration Points of the planets (ⅱ)

    大行星三角秤动点的稳定区域(Ⅱ)

  14. Study on Pushing Forge Servo Control System in the Linearity Friction Weld Machine with High Frequency Libration

    高频振动线性摩擦焊机顶锻电液伺服控制系统研究

  15. Two impulses transfer trajectory design for Sun-Earth libration point missions

    日地平动点卫星两脉冲转移轨道设计

  16. Maximum angle of libration of a dynamically symmetrical long satellite in a central gravitational field

    动力学对称的细长体卫星在中心重力场中的最大摆角

  17. On Orbit Control of Spacecraft around Collinear Libration Points

    关于探测器定点在共线平动点附近的控制问题

  18. Current laser engraving adopt holophote optical circuit or libration mirror .

    目前的激光雕刻机均使用振镜扫描式和全反射镜式进行工件加工。本文提出采用传能光纤组成的光路系统代替原来的光路系统。

  19. Most of the precision apparatus tests usually need low wind speed , low libration and fine temperature uniformity .

    精密仪器往往要求低风速,低震动和高精度温场。

  20. Multimedia Courseware Facture for Inductance Type Sensor Libration Measure

    电感式传感器振动测量多媒体课件制作

  21. Prevention of mechanical seals invalidation leaded by libration of transporting oil pump in oil field

    油田输油离心泵振动致使机械密封失效的解决措施

  22. This paper analyzes some kinds of methods for voltage reference self-ca libration system and explains them one by one .

    对几种电压标准自校系统方法进行了分析探讨,并对它们逐个作了研究说明。

  23. Study of Dynamic Performance for a Parallel Balance ON THE 30-YEARS LIBRATION OF THE POLAR MOTION

    并联天平动特性研究关于地极的30年天平动

  24. Human has the libration of will , and ' human is the purpose ' is the target of human action .

    人有意志自由,并且以人是目的为自身行动的存在论目标。

  25. Dynamics of deployment and libration of tethered satellite systems

    绳系卫星释放及工作态动力学分析

  26. Along with the demand and development of shipping industry the noise libration has become an issue which can not be ignored .

    随着国内外船舶工业的需要和发展,噪声振动已经成为一个不可忽略的问题。

  27. Libration of accumulated elastic energy , which is known as elastic re-covery ;

    因弹性恢复而使积聚的弹性能量释放;

  28. Varying regularity of libration period on overweighted compound pendulum was obtained by theoretical reasoning ? research and analysis .

    通过理论推导、研究和分析,得出了加配重复摆振动周期的变化规律。

  29. The concept of controlling electrical machinery libration and noises in the process of electrical machinery maintenance is first presented in the paper .

    本文第一次提出了电机维修过程中也应控制电机振动及噪声的概念。

  30. The coupling libration of water and dam ; The Effects of Physical Libration of Moon on Lunar Satellites

    库水与坝体的耦合振动;月球物理天平动对环月轨道器运动的影响