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Nasa's Space Shuttle programme flew for three decades
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讲述人：深圳市恒天吉科技技术发展有限公司董事长 肖汉宇，这一点在旺商聊官方下载中也有详细论述
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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：study资讯