It has more than 75,000 top engineers and scientists on research.
它有超过7.5万名顶尖的工程师和科学家从事研究。
Today we have about 5000 engineers and scientists around the world.
今天,我们大概有5000名工程师,和科学家分布全球。
They worked with American scientists and engineers to develop and test new rockets for military and scientific use.
VOA: special.2009.06.10
Scientists observe and try to describe and engineers try to design.
科学家们试着观察并描述事物,而工程师尝试着设计产品
Back on Earth, space scientists and engineers worked around the clock to design and test new ideas to help the astronauts survive.
VOA: special.2009.07.22
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