常用短语

参考例句

1. Let's suppose that the electron at first is in the normal orbit .

   让我们假设电子起初在基态轨道上。

2. The spacecraft is in orbit (ie moving in orbit ) round the moon.

   该航天器在绕月球轨道上飞行.

3. The space shuttle can orbit at altitudes of up to 965 kilometers.

   这架航天飞机最高能在965公里的高度作轨道运行。

4. They are moving through the regular ordained orbit of friends and relatives.

   走亲访友也已经成了他们神圣的日常例行公事。

5. This motion of an object in an orbit about a center as called revolution.

   象这种一个物体环绕某个中心所作的轨道运动叫做公转。

6. This motion of an object in an orbit about a center is called revolution.

   像这种一个物体环绕某个中心所作的轨道运动叫做公转。

7. Planetary perturbations make the earth's orbit about the sun irregular.

   行星的摄动使得地球绕太阳的轨道是不规则的。

8. The two spacecraft will link up (with each other) in orbit .

   两艘宇宙飞船将於轨道上（互相）连接.

9. How many satellites have been put into orbit round the earth?

   有多少颗人造卫星已送入绕地球轨道?

10. The first two Rangers, launched in 1961, never got out of earth orbit .

    最初的两艘游骑兵太空船，在1961年发射，始终没有脱离地球轨道。

同义词

• circle
• circuit
• path
• revolution
• route