您要查找的是不是：
- The requirement of reliability in time-critical systems is becoming higher and higher,especially in some crucial a reas like national defense,astronautics technology,etc. 对时间要求苛刻的系统对可靠性的要求愈来愈高，尤其是在一些至关重要的领域如国防、航天技术等。
- The astronaut accepted danger was part of the job. 太空人承认他们的工作中包含著危险。
- My son's dream is to be an astronaut. 我儿子的理想是当宇航员。
- Do you know how an astronaut flies in a spacecraft? 你知道太空人是怎样乘太空船飞行的吗?
- Technology is a booming sector of the economy. 技术是一个迅速发展的经济部门。
- In 1957 the Soviets put an astronaut into space. 一九五七年苏联人把一个太空人送进太空。
- The compact disc is a miracle of modern technology. 激光唱片是当代技术的奇葩。
- The astronaut accepts danger as being part of the job. 太空人承认他们的工作中包含著危险。
- Neil Armstrong is the first astronaut to walk on the moon. 尼尔。阿姆斯壮是第一位在月球漫步的太空人。
- The science and technology of space flight. 航天学，宇宙航行学研究宇宙飞行的科学及技术
- Large scale industry emerged only gradually as technology evolved. 大工业只是随着技术发展而逐渐开始存在的。
- I'd like to borrow a book a book on computer technology. 我想借一本计算机技术方面的书。
- He's keeping an eye out for modern trends in space technology. 他密切注意空间技术方面的新趋势。
- Radar technology; a radar installation. 雷达技术; 一个雷达站
- Astronautic Technology Brings Freeze-dried Food New Life 航天技术为冻千食品插上翅膀
- He'll be an astronaut by the time he is thirty. 在他三十岁的时候他将成为一名宇航员。
- The rocket boosts the astronaut into space. 这火箭能把宇航员送入太空。
- The firm has to overcome its resistance to new technology. 这家公司必须克服对采用新技术的阻力。
- Astronaut Bursch likes photography. 宇航员布尔施喜欢摄影。
- A walk on the surface of the moon by an astronaut. 月面漫步由宇航员进行的在月球表面上的行走
