They put a weather satellite into orbit round the earth.

他们把一颗气象卫星送入环绕地的轨道。

Let's pretend we're on the spaceship orbiting round the earth!

让我们假装是在沿轨道绕地运转的宇宙飞船上!

The earth orbits the sun once every 365.25 days.

地每365.25天绕太阳轨道一圈。

It also shows trackage and operators for Canada and Mexico.

它还显示加拿大和墨西哥的轨道和经营。

Apsidal transfer can be carried out straightforwardly or by devious ways.

比较了人造卫星在两个椭圆轨道间远拱点冲击过渡的迳直方式和迂回方式。

The orbit of the artificial satellite has an apogee of 200 miles from the earth.

这个人造卫星的轨道，其最远点在离地200英的地方。

Mars, Venus and the other planets move in eccentric orbits.

火星、金星及其他行星沿不正圆的轨道运行。

The mass was calculated by timing the orbit of Eris' moon Dysnomia.

通过对厄斯的卫星--戴丝诺米娅运行轨道计时后计算了厄斯的质量。

Freight Train 36 has been shunted on to Track 6.

36次货车已调到第六轨道上。

(1) No person shall interfere or meddle with or move in any way any of the Company's mobile equipment or trucks, or make use of its tramlines except with the permission of an official of the Company.

(1)除经职员准许外，任何人不得以任何方式干扰或搞弄或移的任何流设备或卡车，或使用的电车轨道。

In this paper, a new broken rope protection device for incline tramroad vehicle was stated.The design was discussed in this cuniform increase power safety device of breakage rope and test was done.

摘要叙述了一种新型的倾料轨道运输车断绳安全保护装置―楔形增力断绳安全装置的工作原理，讨论了装置的设计计算，并结合实例进行了试验。

The circumlunar satellite separated from the rocket at 6:29 pm and entered into Earth orbit, where it will travel for seven days, according to the Beijing Aerospace Control Center (BACC) .

据北京航空控制中心宣布，“嫦娥一号”绕月卫星于下午6:29分与运载火箭分离并进入绕地轨道，且将绕地七天。

But they were a little sad, because it was so long between times that they got to be near each other, what with orbita mechanics being what they are and all.

但是它们也有一点点的伤感，因为每颗星星都有各自运行的轨道，相互靠近需要太长太长的时间。

New Horizons' trailblazing journey to the solar system's outermost frontier took it past the orbit of Mars today at 6 a.m. EDT , 78 days after the spacecraft launched.

新地平线打响了探索太阳系边疆的第一炮，而在今天美国东部时间早上6点，在发射了78天后它成功跨越了火星轨道。

The orbiting Discovery crew on the way Sunday to rewire the International Space Station first had to make sure the shuttle's heat shield(heatshield) wasn't damaged during lift-off.

星期日，负责发现号轨道的工作人员在跟国际空间站接轨前，必须先确定热障在起飞时没有损坏。

Of the millio of rocks it throws out of orbit at each visit, some hurtle Earthwards——and have several times nearly wiped out life on Earth.

它每一次访问太阳系时，都从轨道上甩上百万个岩块，其中一些飞向地的方向——有几次几乎摧毁地上的生命。

It is a tiny joyrider from the rubble stream surrounding the solar system that broke free and orbits the sun in a tilted, elongated orbit.

它是从围绕太阳系而又自由浮的一堆剩余物中游走来的一颗星。它体积微小，以倾斜、细长的轨道围着太阳运转。

Of the millions of rocks it throws out of orbit at each visit, some hurtle Earthwards--and have several times nearly wiped out life on Earth.

[4]它每一次访问太阳系时，都从轨道上甩上百万个岩块，其中一些飞向地的方向--有几次几乎摧毁地上的生命。

The gas-solid two-phase flow in a semiround-pipe inertia separator is simulated with RSM model to the gas phase and DPM model to solid phase.

采用数值方法对半圆管惯性分离器内的两相流进行了模拟,连续相、颗粒相、颗粒轨迹计算分别采用雷诺应力模型(RSM)、离散相模型(DPM)和随机轨道模型。

Afterward, he faces the orbital compartment solid lubrication material testing sample installment place to move slowly, the recaption sample, gives astronaut Liu Boming.

随后，他朝轨道舱固体润滑材料试验样品安装处缓缓移，取回样品，递给航天员刘伯明。