拍摄视角是空间站地面轨迹正北方。
标签框用于确定你是否要标注地面轨迹。
The label check box allows you to switch the time labeling of the ground track on or off.
点击选择你要显示其地面轨迹的卫星名称。
Click on the object you wish to display a ground track of to select it.
并且提出了使得地面轨迹形成覆盖循环所需要满足的简要公式。
And the paper gives a simple formula which can make the ground tracks of the orbit repeat and recover the whole globe.
该文讨论了使用中轨共地面轨迹星座建立区域覆盖卫星通信系统的优化设计方法。
An optimization design method for implementing regional coverage satellite system with common-track constellation is proposed.
分析了半长轴和倾角摄动变化率，以及初始半长轴和倾角偏置量对地面轨迹漂移的影响。
The effect of rate of change for semimajor axis and inclination perturbation and drift of semimajor axis and inclination on the ground-track drift was analyzed.
2004年苏门答腊-安达曼大地震期间，Jason - 1号地面轨迹移动卫星每隔一小时便对该地震引起的海啸进行一次扫描，本图即为扫描结果。
The ground track of the Jason-1 satellite is shown here as it crossed the Sumatra-Andaman tsunami at hourly intervals after the earthquake occurred.
现在从天上再回到地面上，你可知道圆周率控制着弯曲河流的轨迹？ 不管是亚马逊河还是泰晤士河，都被π管得服服帖帖。
Back on Earth, pi controls the path of winding rivers from the Amazon to the Thames.
叙述了在定向钻进的钻孔轨迹设计时，地面不平整度修正的方法与应用。
Method and its application of uneven ground modifying in directional drilling locus design are narrated in this article.
利用该建模方法，给出了地面运动目标轨迹的灰色自适应预测模型。
With the modeling method, the paper gives the gray self -adaptive forecast model of the ground mobile target.
从前面或后面观察，前腿，也包括后腿飞节以下部位，运动时完全垂直于地面。当速度增加时，有单一轨迹的趋向。
Seen from front or rear, the forelegs, as well as the hind legs below the hock joint, move perpendicularly to the ground, with some tendency towards a single track as speed increases.
在这个剧情当中，从地球上看天地面太阳的轨迹，看起来像是穿过了我们银河系的中心。
In this scenario, the path of the sun in the sky would appear to cross through what, from Earth, looks to be the midpoint of our galaxy, the Milky Way.
根据控制原理，设计了一套从地面控制井下的工具，以实现轨迹控制的指令算法。
By using the algorithm for generating control commands, a downhole tool manipulated on the surface was designed to meet the requirements of the well trajectory control technology.
地面与井下的信息传输是井眼轨迹监测与控制的重要环节。
Information transmission along well bore plays a very important role in measuring and controlling a well trajectory.
极地轨道气象卫星以大致南北方向环绕地球运行。它的轨迹离地面约数百公里。
Polar-orbiting satellites are low-flying satellites circling the earth in a nearly north-south orbit, at several hundred kilometers above the earth.
极地轨道气象卫星以大致南北方向环绕地球运行。它的轨迹离地面约数百公里。
Polar-orbiting satellites are low-flying satellites circling the earth in a nearly north-south orbit, at several hundred kilometers above the earth.
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