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

比较了人造卫星在两个椭间远拱点冲击过渡迳直方式和迂回方式。

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

让我们假装是在沿绕地球运转宇宙飞船上!

The earth orbits the sun once every 365.25 days.

地球每365.25天绕太阳一圈。

They put a weather satellite into orbit round the earth.

他们把一颗气象卫星送入环绕地球。

It also shows trackage and operators for Canada and Mexico.

它还显示加拿大和墨西哥和经营公司。

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

通过对厄里斯卫星--戴丝诺米娅运行计时后计算出了厄里斯质量。

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

这个人造卫星，远点在离地球200英里地方。

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

星、金星及他行星沿不正运行。

Freight Train 36 has been shunted on to Track 6.

36次货车已调到第六上。

Streetcars rumble down Tokyo's Arakawa tramline.

有电车隆隆通过东京荒川区。

The first satellites placed in geostationary orbit were the synchronous communication(SYNCOM)satellites launched by NASA in 1963.

第一个放置在对地静止卫星是1963年美国航空暨太空总署发射同步传输卫星.

The repeated thrust applications at apoapsis would raise periapsis from inside to outside the stationary orbit.

重复在远心点施以推力，会将近心点由同步内提升到同步外。

Apollo 8 was a test in which an Apollo moonship was put into orbit around the moon.

太阳神八号是将一艘登月艇纳入绕月球一项试验。

Taking the concreting of the tressel for gate No.1 for example, the design of tracks and slip forms for tressels is given.

以永久船闸第一闸首排架柱混凝土施工为例，介绍排架柱滑模中及模板设计方法。

Grab the pencil tool and construct tracks filled with ramps, hills, and jumps, and then send your virtual sledder down the route.

抓斗铅笔工具，并构建描制完成斜路，丘陵，跳跃，然后把你虚拟游戏者拉下来到航线上移动。

The shape and perigee of artificial satellite orbits shall continually variate due to caused by the atmospherical drag and the earth gravity.

人造地球卫星由于大气阻力和地球引力场等因素摄动,形状和近地点位置将不断改变。

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，他朝舱固体润滑材料试验样品安装处缓缓移动，取回样品，递给航天员刘伯明。

The showcase, by running a small train, displays Doppler speed testing, materials detection, noise monitoring, supersonic distance testing, track weighing, and photoreader, etc.

该展台用一个小车运行来展示多普勒测速、材料探测、噪声检测、超声测距、称重秤、光电计次等等。

The formation of the bond for synthin Mo Fe S Cluster compounds is analysed with the bond vanlence formula for atomic cluster compounds.

运用原子簇化合物键价计算公式,对元件合成钼铁硫簇合物分布情况进行分析。

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.

采用数值方法对半管惯性分离器内两相流动进行了模拟,连续相、颗粒相、颗粒迹计算分别采用雷诺应力模型(RSM)、离散相模型(DPM)和随机模型。