Any interesting science can be done much cheaper with an unmanned robotic spacecraft said chemist Joseph a Nuth from NASA's Goddard Spaceflight Center.
任何让人感兴趣的科学研究都能用无人航天器进行，从而以更便宜的方式完成。来自NASA Goddard航天中心的化学专家Joseph a Nuth说道。
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Any interesting science can be done much cheaper with an unmanned robotic spacecraft, said chemist Joseph a Nuth from NASA's Goddard Spaceflight Center.
任何让人感兴趣的科学研究都能用无人航天器进行，从而以更便宜的方式完成。来自NASA Goddard航天中心的化学专家Joseph a Nuth说道。