Фото: Serguei Fomine / Global Look Press
| FD-051 | Multi-label document classification | Open | Medium | Medium |
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Фонбет Чемпионат КХЛ
（作者为三峡植物园林业技术推广站站长，本报记者吴君采访整理）
New analysis of Apollo Moon samples finally settles debate: « For decades, scientists have argued whether the Moon had a strong or weak magnetic field during its early history (3.5 - 4 billion years ago). Now a new analysis shows that both sides of the debate are effectively correct. »
· 张伟 · 来源：tutorial资讯