为丰富官兵在索马里海域护航期间的文体生活，海军护航编队"海口"号驱逐舰从9日开始举办甲板运动会。
Officers and sailors on the Chinese navy destroyer "Haikou" held a unique sports meeting on deck in the waters off Somalia Friday.
在相对运动二冲量最优控制的基础上，求解了编队规划问题。
Based on two-impulse optimal control for relative motion, the formation planning problem is solved.
给出了一种描述J2摄动情况下编队飞行卫星相对运动的精确解析模型。
A precision analytical equation to relative motion of formation flying satellites for J2 perturbation is presented.
首先基于二体假设，采用两种方法系统地研究了圆或近圆轨道上卫星编队飞行的相对运动。
Based on the two-body assumption, two methods are used to investigate the relative motion of satellite formation flying on circular or near-circular orbits.
用动力学和运动学两种方法研究空间站伴随卫星编队飞行的轨道设计。
So both methods of orbit design are suitable for designing orbit of concomitant satellite formation flying around the space station.
共面编队飞行的卫星星座的相对运动轨迹是一个椭圆，但卫星由于受摄动力的影响，其椭圆队形会发生变化。
The figure of the relative kinematical track of the formation flying will change which is in an ellipse because of the disturbing force from which the satellites suffer.
最后一章探讨了同时进行平移运动和旋转运动的编队重构问题。
In the last chapter, rotation and translational motion is studied to formation reconfiguration.
结果表明：当坦克编队的运动速度提高时，坦克的突防概率增大，智能雷场的作战效能降低。
As a result, when velocity of tank formation is advanced, onrush probabilities of tank will accelerate, operation efficiency of intelligent minefield will low.
编队卫星相对距离较大，非线性因素不可忽略时，利用非线性周期运动条件，可找到不需消耗任何燃料的周期性相对运动轨道。
When the relative range was large and the effects of nonlinearity could not be neglected, the nonlinearity periodic relative rotating orbits could be found using the nonlinearity initial conditions.
本周一，美国花样跳伞运动员们试图创立一项300人自由降落编队的纪录。照片所示是在亚利桑那州艾洛伊镇上空三次尝试中的第一次。
Skydivers on Monday try to set a record for a 300-person freefall formation. Pictured is the first of three attempts above Eloy, Arizona.
基于解析相对运动分析共面主从编队、跟随编队、圆形编队等模式中的初始轨道参数对编队构型的影响。
Analytic relative motions are analyzed for in-plane formation, leader-follower formation, circular formation, and the effects of different initial values.
编队卫星的控制和应用需要确定编队卫星的运动状态，包括卫星绝对的和相对的位置、姿态以及钟差。
Control and application of satellite formation require measurement of the formation states, including absolute and relative position, attitude and clock bias separately.
第二章给出了编队卫星的相对运动方程和对地观测常用的编队卫星轨道设计。
With earth observing application, chapter 2 describes the inter-satellite relative movement functions and orbital design for ordinary earth observing satellite formation.
以编队卫星周期性相对运动条件为约束条件，提出了一种与传统动力学法相反的、研究编队卫星相对动力学的新思想。
Utilizing the orbit constraint derived from the presented algebraic method, the innovational methodology which uses the converse idea comparing with the traditional method is presented.
以编队卫星周期性相对运动条件为约束条件，提出了一种与传统动力学法相反的、研究编队卫星相对动力学的新思想。
Utilizing the orbit constraint derived from the presented algebraic method, the innovational methodology which uses the converse idea comparing with the traditional method is presented.
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