libration

基本解释

• n. 振动（形容词librational）；[天] 天平动

同根派生

英汉例句

双语例句

• In this paper the way of static condensation is used to eliminate the other displacement couplinged with the vertical displacement and get the characteristic matrix equation of the vertical libration.
  并对在该模型下建立的动力矩阵用静力凝聚法进行简化，消去与竖向位移耦联的其它位移，分离出关于竖向振动的特性矩阵方程；
• Chaos and its control in the planar libration of a magnetic rigid spacecraft with internal damping in an elliptic orbit are investigated.
  研究在具有内阻尼的磁性刚体航天器在椭圆轨道上平面天平动的混沌及其控制。
• This article summarized some aspects of libration feeder's design installation modification and application in Tongkeng coarse Tin ore separated project.
  对振动给料机在铜坑矿粗粒抛废工程中设计、安装、改进和生产应用的情况进行了综述。

词组短语

短语

• true libration [天]真天平动
• libration deviation [天]天平动偏异
• Libration Libation 天平之奠
• libration tester 测振仪
• libration physique 物理天平动

英英字典

剑桥英英字典

• a slight backwards and forwards movement of something, especially of planets etc. in the sky

柯林斯英英字典

• the act or an instance of oscillating

专业释义

交通运输工程

• 振动

  In succession, the author educed movement differential equation of reed valve plate from differential element of the plate according to theory of elastic plate libration.
  接着本文根据弹性薄板振动理论,由薄板的微元体导出簧片阀阀片的运动微分方程。

  电子、通信与自动控制技术

• 振动

  In this paper, based on researchful demand for one type satellite antenna, go deep into studying on deployable dynamics and flexible-distorted control, which would give well technical base to libration and stable expandedness during the outspread process of HTDA.
  本文依据某在研卫星天线研制工作的需要,针对环形可展天线进行了展开动力学分析与展开过程智能控制研究,为减小天线展开过程中的振动和平稳展开提供了技术支撑。

  天文学

• 天平动
• 天秤动

测绘科学技术

• 天平动
• 天秤动