As with ordinary light, laser range measurements to satellites are not troubled by ionospheric refraction . 用激光测人造卫星的距离和用普通光一样，不受电离层折射的干扰。
It was three years after the first satellite launching that a spaceship containing a man made a successful flight . 第一颗人造卫星发射三年之后，载有一人的宇宙飞船才进行了成功的航行。
If a satellite can one day be put into orbit round mars , scientists will be able to find out a great deal . 如果有一天，人造卫星能被发射到围绕火星的轨道上去，科学家们将会发现很多情况。
Satellites orbiting round the earth have provided scientists with a vast amount of information about conditions in outer space . 环绕地球运行的人造卫星，为科学家提供了有关外层空间的大量资料。
Satellites orbiting round the earth have provided scientists with a vast amount of information about conditions in outer space . 环绕地球运行的人造卫星为科学家们提供了大量有关外层空间情况的资料。
That will force the russians, as always, to respond, and "provoke an end to the long regime of peaceable toleration of satellites" . 这将迫使俄国人和以往一样作出反应，从而“促使长期以来太平无事地容忍人造卫星的局面结束”。
These signals bounce off the objectartificial satellites, the sun, moon and the nearer planetsand are picked up again on their return . 信号从探测对象人造卫星、太阳、月球和附近的行星反射回来，在其返回过程中被检拾。
An english science-fiction writer, proposed that meaned "stationary" satellites be used to relay and broadcast electromagnetic communication signals . 有位英国科幻小说家曾提议使用“固定不动的”人造卫星来转播及广播电磁通迅信号。
It is, however, possible to use some suitable object in space--perhaps the moon or a large, balloon-like satellite--for the purpose of reflecting signals . 但是，有可能使用空间中的某一个适当的物体，例如月亮、或者气球一样的人造卫星来反射无线电信号。
The olympics were telecast live via satellite 奥运比赛经由人造卫星做实况转播。
