极少数科学家认为航天飞机有助于他们的专业研究。
FEW scientists believe that the space shuttle has helped their profession.
由于科学家们的缜密准备，此次航天计划很成功。
Due to the scientists' careful preparation, the space program has worked out quite well.
一位美国航空航天局(NASA)的科学家解开了谜团。
看看航空航天局，那里绝大多数科学家全是50+的年纪。
Take a look at NASA. Most scientists in NASA are 50+ in age.
看看航空航天局，那里绝大多数科学家全是50+的年纪。
Take a look at NASA. Most scientists in NASA are 50+ in age.
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