Another challenge is keeping our Skyhook in orbit.

另一个挑战是使天钩保持在轨道上。

The crew is expected to spend five days in orbit.

预计机组人员将在轨道上度过五天。

This eliminates the problem of friction created by wheels on tracks.

了车轮在轨道上产生的摩擦问题。

Currently, there are over 5,000 satellites in orbit.

目前，有超过 5000 颗卫星在轨道上。

So we have multiple wheels that are holding it on track.

因此，我们有多个轮子将其固定在轨道上。

If I'm reading this right, we're still on course.

如果我猜的没的话 我们仍在轨道上。

The balance of these two forces can keep a satellite in orbit for many years!

两种力的平衡可以使卫星在轨道上运行多年！

This experiment also marked the first production of BECs in orbit.

一实验也标志着 BECs 首次在轨道上生产。

She grabbed on to his horns as the subway car continued chugging down the track.

她抓住公羊的，车还在轨道上行驶。

The two are scheduled to spend a total of 33 days in orbit.

两位宇航员按照计划将在轨道上度过整整33天。

It's like the project has gone off the rails even if it stays on them.

就好像项目已经偏离了轨道，即使它还在轨道上。

Astronauts have reported problems with their vision after working in orbit.

宇航员在轨道上工作后，报告他们的视力出现了问题。

This is not the first time people have hunted from orbit for solar-power stations.

已经不是人们第一次在轨道上寻找太阳能发电站了。

The crew brought 25 science and biomedical experiments with them to carry out in orbit.

宇航员们带着25项科学和生物医学实验在轨道上进行。

In orbit, Mars is about 50 million miles farther away from the Sun than Earth.

在轨道上，火星与太阳的距离比地球远约 5000 万英里。

Once deployed, the satellite is expected to remain in orbit for about six months.

一旦部署完成，颗卫星预计将在轨道上停留约6个月。

That's a sun-synchronous orbit where the satellite tracks but never moves into the Earth's shadow.

是一个太阳同步轨道，卫星在轨道上运行，但不会进入地球的阴影。

A passenger train hit a tractor trailer that stalled on railroad tracks in North Carolina.

在南卡罗莱纳州，旅客车撞上了停在轨道上的拖车。

Shenzhou-11 and Shenzhou-14 crew members also planted vegetables in orbit.

神舟十一号和神舟十四号机组人员也在轨道上种植蔬菜。

NASA astronaut Scott Kelly spent almost twice that amount in orbit.

NASA宇航员斯科特·凯利在轨道上度过了几乎是个数字的两倍的时间。