查询词典 orbit

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。

Occasionally, Pluto's highly elliptic orbit passes inside that of Neptune, making Neptune the furthest planet from the sun during these times.

有时，冥王星的高椭圆轨道内的传递海王星，使海王星离太阳最远的行星，在这些时间。

Chaotic planar libration and its control of a magnetic rigid spacecraft with internal damping in an elliptic orbit near the equatorial plane of the earth are investigated.

研究在地球万有引力场和磁场中具有结构内阻尼的磁性刚体航天器在近赤道椭圆轨道上平面天平动的混沌行为及其控制。

Pluto has an elliptic orbit.

冥王星的轨道是椭圆形的。

The chaotic planar attitude motion of a ligid spacecraft on an elliptic orbit in the gravitational field with air drag and internal damping and its control are studied. The necessary condition of occurring chaos is established by Melnikov's method. A numerical example is presented.

研究了同时存在大气阻力和结构内阻尼的椭圆轨道上平面天平动航天器的混沌姿态运动及其控制，应用〓方法给出了出现混沌的必要条件，用数值算例进行了验证。

Cases, a satellite along the elliptic orbit orbiting satellite operation, the perigee from the planet center distance is a, well locations from the planet center distance b, if the satellite perigee rate is Va, the satellite apogee when the rate Vb how much?...

例、某卫星沿椭圆轨道绕行星运行，近地点离行星中心的距离是a，远地点离行星中心的距离为b，若卫星在近地点的速率为Va，则卫星在远地点时的速率Vb多少？。。。

Satellite in elliptic orbit has a low velocity near apogee and will flight over a particular geographical area for a substantial part of its orbital period ("apogee dwell").

由于运行于椭圆轨道上的卫星在其远地点附近有较长的停留时间，如果选择轨道远地点位于覆盖区域上空，则采用椭圆轨道卫星星座以进行区域性覆盖以取得很好的覆盖效果。

Mercury's orbit is highly eccentric, meaning it's path is elliptical.

水星的轨道非常古怪，这意味着它的路径是椭圆形。

We now know that Earth orbits the sun elliptically and, at the same time, spins on an axis that is tilted relative to its plane of orbit.

我们现在知道地球以椭圆型轨道绕日运行，同时以倾斜于轨道面的纵轴自传。

Because of the ellipticity of the earth's orbit the solar radiation incident on the earth is about 7% greater in December than in June.

因为地球轨道是椭圆，入射到地球上的太阳辐射在12月份约比6月份多7％。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"