在马里兰洲费戈尔蒂国际中心的科学家们表示，需要在实践科学领域尽更多的努力来弥补这一问题。
Scientists said the Foggerty International Center in Maryland say more work in the area of implementation science could bridge the problem.
亚特兰蒂斯号航天飞机将于周五在佛罗里达州肯尼迪太空发射中心发射升空，前往国际空间站。
Atlantis is due to blast off on Friday from the Kennedy Space Center in Florida, bound for the International Space Station.
当地时间27日，搭载7名宇航员的美国"亚特兰蒂斯"号航天飞机平安降落在佛罗里达州肯尼迪航天中心，结束了为期11天的国际空间站之旅。
US Space shuttle Atlantis and its 7 astronauts returned to Earth at Kennedy Space Center in Florida Friday, bringing to an end 11 days in space.
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