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return trajectory造句

"return trajectory"是什么意思   

例句與造句

  1. The ball appears to bear to the left from direction of travel on both inward and return trajectories.
  2. Apollo 13 had left its initial free-return trajectory earlier in the mission, as required for the lunar landing at Fra Mauro.
  3. A month later, Harman launches the " New Prometheus " and succeeds in making a free return trajectory around the Moon.
  4. After a 10?month flight the crew would race past Mars, dropping remote-controlled landers, and then be flung into an Earth-return trajectory.
  5. In fact, within hours after the accident, Apollo 13 used the lunar module to maneuver from its planned trajectory to a free-return trajectory.
  6. It's difficult to find return trajectory in a sentence. 用return trajectory造句挺難的
  7. Although in theory it is possible to execute a perfect free return trajectory, in practice small correction burns are often necessary during the flight.
  8. Flight time for a cislunar free-return trajectory decreases with increasing periselenum radius, while flight time for a circumlunar free-return trajectory increases with periselenum radius.
  9. However, Apollo 13 had left its initial free return trajectory earlier in the mission, as required for the planned lunar landing at Fra Mauro.
  10. Flight time for a cislunar free-return trajectory decreases with increasing periselenum radius, while flight time for a circumlunar free-return trajectory increases with periselenum radius.
  11. Because of Apollo 13's free-return trajectory, Lovell, Jack Swigert and Fred Haise flew higher above the Moon's 0 : 21 UTC on 15 April 1970.
  12. Because Apollo 13 followed the free-return trajectory, its altitude over the lunar far side was approximately greater than the orbital altitude on the remaining Apollo lunar missions.
  13. Therefore, the first order of business was to re-establish the free return trajectory with a 30.7-sec . burn of the Lunar Module Descent Engine ( LMDE ).
  14. Instead, Hughes used an Apollo-style free return trajectory that required only a few days to complete, a trajectory designed and subsequently patented by Hughes Chief Technologist Jerry Salvatore.
  15. Even though it does not require a burn for the return trip, other return trajectory types, such as an aerodynamic turn, can result in a lower total delta-v for the mission.
  16. On September 15, 1968 the RD-0214 module launched the Zond 5 around the Moon on a free return trajectory, that sent the first alive organisms around the moon and back to Earth.
  17. 更多例句:  下一頁

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