| 1. | Nasa s mars exploration program
美国太空总署火星探索计划 |
| 2. | Solar system exploration
美国太空总署行星探索计划 |
| 3. | Spacecraft and satellite design
航行与探索计划 |
| 4. | It will be the space agency ' s fifth attempt to get the shuttle off the ground
这将是太空署的第五次宇宙探索计划。 |
| 5. | It also would haul considerably more cargo , much of which would be left on the moon for future crews
新的探索计划还将携带更多货物，其中大部分将留在月球上，满足日后登上月球的宇航员的需要。 |
| 6. | This mission would also haul considerably more cargo , much of which would be left on the moon for future crews
新的探索计划还将携带更多货物，其中大部分将留在月球上，满足日后登上月球的宇航员的需要。 |
| 7. | The new exploration plan would allow four astronauts to stay on the moon for a week - twice as long as apollo missions
新的探索计划将允许四名宇航员在月球上停留一个星期，比“阿波罗”号在月球停留的时间多出一倍。 |
| 8. | The new exploration plan would allow four astronauts to stay on the moon for a week - twice as long as the apollo - mission astronauts
新的探索计划将允许四名宇航员在月球上停留一个星期，比“阿波罗号”在月球上停留的时间多出一倍。 |
| 9. | The " virtual heritage explorer " project provides 360 - degree cubical panorama for about 60 historic buildings and sites . you can explore the real - like monuments through this website ,
古物古迹办事处推出虚拟文物探索计划，为大约60处历史建筑物及遗址提供360度立体全景影象。 |
