查询词典 orbit

In order to calculate the orbit of the satellite, we established satellite movement model based on celestial mechanics and spaceflight dynamics.

在上述工作的基础上，目标轨迹预测技术重点研究了卫星轨道递推算法。

Based on the theory and method of classical celestial mechanics and orbit dynamics of the artificial earth satellite, we need not to start the research from the every beginning.

经典天体力学和人造地球卫星轨道力学都形成了完整的理论体系与研究方法。

As another example the center of mass of the earth and moon moves in an approximately circular orbit around the sun.

作为另一个例子，地球和月亮的质心就是在一个绕太阳的近似的圆轨道上运行。

This course introduces basic knowledge of Analytical Mechanics and theory of movement stability, and focuses on dynamics knowledge related tightly with engineering technique such as orbit moment in central gravitation field, electromechanical coupling dynamics, rigid-body dynamics, gyroscopic dynamics, manipulator dynamics et al.

本课程较系统地叙述了分析力学和运动稳定性理论的基础知识，着重介绍与工程技术密切相关的动力学知识，如中心引力场中的轨道运动、机电耦合系统动力学、刚体动力学与陀螺力学、机械臂的动力学分析方法。

Driven by the valve stem to close one to wind the rotatory central point while rotating,the spheroid to the third a bit more separately, relative valve central point at this moment,from the third orbit a bit one cam form partial another,enter valve flat make valve it keep sealing to shut off down wards .

由阀杆带动关闭件绕旋转中心点转动时，球体由另点移至第三点，此时相对阀门中心点，从另点的第三点轨迹为一凸轮状偏心，向下进入阀座使阀门关闭保持密封。

The planet and the star both orbit around a common centre of mass between them.

地球轨道的明星都围绕一个共同的质量中心之间。

Because a star is so much more massive than a planet (the Sun, for example, is over a thousand times heavier than Jupiter, the largest planet in our solar system) the centre of mass that they both orbit around is much closer to the star.

因为有如此多的明星更大规模的行星比（太阳例如，有一千倍木星，最大的行星在太阳系）的中心，大众这两个轨道上是非常接近的明星。

The centripetal and centrifugal forces acting in opposition to each other keep our planet in her orbit.

向心力和离心力互相对峙的缘故，遂能使行星在轨道上行动。

As well, simulation of the orbit of the tub centroid is in better agreement with the experimental results, which verifies the model.

筒体质心运动轨迹的仿真分析和实验结果基本吻合，证明了所建模型的有效性。

Cassini caught this glimpse of Hyperion as the moon tumbled chaotically in its orbit around Saturn.

卡西尼探测器拍到了在环土星轨道上翻滚不已的土卫七-Hyperion。

As a dominant party,CPC government should play a guardian,supervisee and guarantee role to overcome all the difficulties in the development of charitable cause and bring it into full play in the establishment of harmonious society on policies and regulations basis.

在中国共产党的文献中第一次把发展慈善事业提到&最广泛最充分地调动一切积极因素，不断提高构建社会主义和谐社会的能力&的高度来认识。近年来，社会学界对慈善事业的理论专著发表较多，有鉴于此，笔者不揣浅陋，谈谈自己的认识和见解。

Flow through the land, the land of the scale of operation allows the effectiveness of the land may be raised.

通过土地的流转，土地的规模经营可以让土地的效益得到提升。