搭载在月球探测器上的中子探测器就发现在特定的地区中子的辐射量减少，而这也许表明月表上可能会有液态水或氢气的存在。
A neutron detector aboard the lunar orbiter found a decrease in neutron radiation that could represent either water or hydrogen in certain areas.
搭载在月球探测器上的中子探测器就发现在特定的地区中子的辐射量减少，而这也许表明月表上可能会有液态水或氢气的存在。
A neutron detector aboard the lunar orbiter found a decrease in neutron radiation that could represent either water or hydrogen in certain areas.
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