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spacecraft造句
31. In thirty years from now the United States should have a manned spacecraft on Mars. 32. The reflector is held onto the sides of the spacecraft with a frame. 33. The spacecraft will fly through the innermost rings of Saturn. 34. His job was to chart the progress of the spacecraft. 35. Once in space, the spacecraft will go into orbit around the Earth. 36. The drag on low-altitude spacecraft increases. 37. But thenceforth the spacecraft is already in space. 38. Right now we're concentrating on retrieving the spacecraft. 39. The Magellan spacecraft has mapped the surface of Venus. 40. Spacecraft and rocket upper stages for unmanned missions to the Moon, Mars, and Venus were all initiated. 41. The Soviet Union, in preparation for manned landings, then concentrated on landing automatic unmanned spacecraft on the lunar surface. 42. The mapper will use components from existing spacecraft to cut costs. 43. On the grounds of minimizing risk, many of them had decided on a direct flight that did not involve docking spacecraft. 44. It is an actual spacecraft from the Soviet space shuttle program, owned and operated by former cosmonauts and space program employees. 45. The charged particles produced by flares can disrupt communications and present hazards to spacecraft and astronauts. 46. A spacecraft returning from an asteroid is not limited to carrying water. 47. Over the next hours the spacecraft is in free fall toward the lunar surface, constantly accelerating in the lunar gravity. 48. The astronauts were more than 13, 000 miles from the spacecraft when they lifted off early Thursday. 49. Docking manoeuvres were thought to be needlessly risky as they required delicately flying two spacecraft in close proximity. 50. A small bus with an extension tube like a stubby elephant trunk was now nuzzling affectionately up against the spacecraft. 51. During the flyby, the spacecraft will measure gases in the atmosphere. 52. The five Lunar Orbiter spacecraft, launched at three-month intervals in 1966 and 1967, were all outstandingly successful. 53. The Hulk was a towering, ruined spacecraft adrift in black void, wreathed with ... spewed-out gases? 54. I imagine that the summit of this kind of programming is achieved in the chambers used to train aeroplane and spacecraft pilots. 55. It also provided the main propulsion system for the Apollo spacecraft. 56. These include the deployment and retrieval of a NASA-owned spacecraft called Spartan, which carries a half-dozen experiments. 57. The two spacecraft should pass within 70 miles of one another early Tuesday. 58. Real understanding comes with the realization that a spacecraft can not remain in orbit unless the force of gravity is acting. 59. Believers say the government has captured alien spacecraft and used the technology gleaned from them to make their own spaceships. 60. But power for activities in the belt and for propulsion of spacecraft is harder to find.