Under the control of the Sun's gravitational force, each planet maintains an elliptical orbit and all of them travel in the same direction.
在太阳引力的控制下，每个行星都维持在一条椭圆形的轨道上，并按照相同的方向移动。
But the general solutions call for a elliptical orbit.
但是，一般的解决方法，还是需要一个椭圆轨道。
The Moon's elliptical orbit means its distance from the Earth is not constant.
月球椭圆型的轨道意味着它到地球的距离是变化着的。
A method of area target's raw data simulation of spaceborne SAR based on elliptical orbit is presented.
提出了一种基于椭圆轨道的星载sar面目标原始数据模拟的方法。
I now go into an elliptical orbit because the new velocity is no longer the right velocity for a circular orbit.
我现在要进入一个椭圆形轨道，因为新的速度已经，不是圆形轨道中的速度。
A recently-discovered dwarf planet, named Sedna, has an extra-long and usual elliptical orbit around the Sun.
一颗近期被发现的褐矮星“赛德娜”(Sedna)有一个超长的椭圆形的绕太阳的轨道。
Also that velocity, v, in that equation number five will also change with time because it's an elliptical orbit.
同样的，第五个方程序，中的速度同样，会随时间改变，因为这是椭圆形轨道。
An approach for spacecraft autonomous rendezvous in an elliptical orbit without orbit information is developed.
提出了一种在缺少绝对轨道信息时的航天器椭圆轨道自主交会方法。
The bloated planet can be explained by a highly elliptical orbit, which brings it close to the star and then far away.
这颗膨胀的行星可以用高度椭圆形轨道来解释。高度椭圆形轨道先使它距离星很近，然后远离。
If the satellite has an elliptical orbit the result is a spiral wave a miniature version of the pinwheel pattern of our galaxy.
如果卫星的轨道是椭圆的，就会产生螺旋波，就像是银河系纸风车形状的缩影。
These planets all take sun as center by elliptical orbit revolution, although extremely approaches except Mercury to the circle.
这些行星都以太阳为中心以椭圆轨道公转，虽然除了水星的十分接近于圆。
If the satellite has an elliptical orbit, the result is a spiral wave, a miniature version of the pinwheel pattern of our galaxy.
如果卫星的轨道是椭圆的，就会产生螺旋波，就像是银河系纸风车形状的缩影。
The moon travels in an elliptical orbit in relation to the equator, swinging back and forth over the northern and southern hemispheres.
月球在与赤道相对的椭圆形轨道上运行，往返于南北半球的上空。
Sometimes a single planet with an elongated, or elliptical orbit can look the same as two planets that trace perfect circles around their stars.
有时候如果一个行星的轨道是拉长的或是椭圆的，那就有可能被当做轨道吻合的两颗行星。
And so what's going to happen — I'm going to get an elliptical orbit like so, whereby 2a must be larger than 2r because my total energy is larger.
这就是将要发生的-，我将要进入一个椭圆形轨道，在这里，2a肯定要，比2R大，因为总能量增大了。
It orbits its star every 4.7 days, in a moderately elliptical orbit at a mean distance of only 0.04 AU (one tenth of Mercury's distance from the sun).
它每4.7天环绕恒星一周，其轨道为一个适度的椭圆，平均距离仅0.04个天文单位(为水星距太阳的十分之一)。
However, if an eclipse occurs while the Moon is on the far side of its elliptical orbit, it appears smaller than the Sun and can't completely cover it.
但是如果日食出现在月球处于它的椭圆轨道远地点的时候，它显得比太阳小而无法完全遮盖住太阳。
A regional satellite navigation system which is made up of geosynchronous satellites and synchronous satellites with elliptical orbit is proposed.
提出了一种用静止卫星和同步椭圆轨道卫星构造的区域卫星定位系统。
Due to the moon's titled and elliptical orbit around Earth, the moon seems to return to the same place in the sky 51 minutes later each day, on average.
因为有卫星的头衔，而且沿椭圆形轨道环绕地球运行，月亮似乎每天平均51分钟返回到天空的同一地点。
The sun makes this shape over a year because Earth rotates on a slightly different axis than the sun, and our planet also travels on an elliptical orbit.
太阳一年内的轨迹形成这种形状是因为地球围绕着与太阳略微不同的轴旋转，而我们的地球也沿着椭圆形轨道运行。
The proposed method is applied to slowly rotating non-cooperative target in an arbitrary elliptical orbit synchronous fly-around position tracking control.
采用该控制方法，进行大椭圆轨道慢旋目标同步绕飞跟踪控制器设计。
A quantized elliptical orbit of electron in hydrogen_like atom is concisely derived from Binet equation with the aid of Bohr_Sommerfeld s quantized condition.
从比耐公式出发，结合玻尔———索末菲量子化条件，对类氢原子电子的量子化椭圆轨道，给出了一个简化的推导，并在此基础上，对轨道的稳定性进行进一步的讨论。
The energy and the elliptical orbit of the electron in hydrogen-like atom are derived from formula inverse square attraction and Sommerfeld's quantized conditions.
利用平方反比引力给出的关系式和索末菲量子化条件推导出类氢原子的椭圆轨道和能量。
This is a massive astronomical object, possibly a brown dwarf6, which is on a long elliptical orbit around our own sun on an inclined plane to the rest of the planets.
这是一个巨大的天体，可能是褐矮星[6]，在一个与其他行星平面成一定角度的很长的椭圆形轨道上。
Kepler went on to show that an elliptical orbit is sufficient to explain the movement of the other planets and to devise the laws of planetary motion that Newton built on.
接着开普勒证明了这个椭圆轨道也能很有效解释其他行星的运行轨迹。然后他提出了行星运动定律，牛顿定律就是以此为理论基础的。
Numerical simulations show that the proposed controller containing some disturbance internal models can improve the formation maintaining accuracy a lot for the elliptical orbit.
仿真结果表明，在椭圆轨道的编队维持控制器中引入部分干扰内模可大幅度提高维持精度。
The rectilinear movement has thus become changed into a circular motion of extreme velocity, and it is now pursuing an elliptical orbit round the moon, of which it has become a true satellite.
因此，炮弹由直线运动变成高速的环形运动，现在正沿一条椭圆形轨道绕着月亮飞行，变成了一颗真正意义上的卫星。
The rectilinear movement has thus become changed into a circular motion of extreme velocity, and it is now pursuing an elliptical orbit round the moon, of which it has become a true satellite.
因此，炮弹由直线运动变成高速的环形运动，现在正沿一条椭圆形轨道绕着月亮飞行，变成了一颗真正意义上的卫星。
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