1. Do you know what the earth satellite is?

2. Another man - made earth satellite was put into orbit last month.

3. The first earth satellite marked a new epoch in the study of the universe.

4. We launched a man made earth satellite on April 24, 1970.

5. China succeeded in launching its first manmade earth satellite in 1970.

6. China successfully launched its first man made earth satellite on 24 th April 1970.

7. China successfully launched its first man - made earth satellite on April 24, 1970.

7. try its best to collect and build good sentences.

8. The earth satellite would not get into space without enough acceleration.

9. In recent years, the artificial earth satellite measured the size of the earth more precise.

10. China's first man - made earth satellite weighs 173 kilos.

11. Unidentified Man: The first artificial Earth satellite in the world has now been created. This first satellite was, today, successfully launched in the USSR.

12. China successfully launched its first man - made earth satellite in April 1970.

13. When was China's first man - made earth satellite launched?

14. It is reported that another earth satellite has been put into orbit.

15. We've launched another man - made earth satellite this month.

16. A manned earth satellite was considered a necessary research step.

17. This paper first sums up the main problem about orbit prediction of an artificial earth satellite.

18. The result is satisfactory by using a method of the artificial earth satellite orbit determination from range rate observations to fit the free-flight trajectory of rocket.

19. In this paper an example is given for the application of the routine overlay method to the retrofit program of the. orbit of an artificial earth satellite.

20. In this paper the solution of the mean elements which is suitable for the first order perturbation theory of artificial earth satellite is discussed.

21. Based on the theory and method of classical celestial mechanics and orbit dynamics of the artificial earth satellite, we need not to start the research from the every beginning.

22. It is reported that China has sent another man - made earth satellite into orbit.

23. China succeeded in sending up another man - made earth satellite yesterday.

24. A multi - user transmitter is coupled to an earth satellite antenna to receive selectable satellite transponder signals.

25. It is reported that China sent another man - made earth satellite into orbit.

26. In January 1956, on S. P. Korolev's insistence, a decision was made to develop an artificial Earth satellite which could be launched by the R-7 missile.

27. Vacuum cleaner invented which from 1901, to the artificial earth satellite, carried the human spaceship, the science and technology demonstrates the formidable strength in the different domain.

28. As is announced in the papers, our country has launched another man - made earth satellite.

29. He also played a significant role in developing the country's first artificial earth satellite.