美国宇航局空间科学研究所喷气推进实验室。
美国国家宇航局和美国空军科学研究办公室都对资助起初的火箭点火测试表现浓厚的兴趣。
Both NASA and the Air Force Office of Scientific Research have shown enough interest in the concept to fund initial rocket firing tests.
这项科学研究是美国地质调查局国家水质评估项目的一部分,旨在对美国地下和地表水质进行检测。
This study is part of efforts by the U.S. Geological Survey's National Water-Quality Assessment Program to monitor the quality of the nation's groundwater and surface water.
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