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我们离钻穿地球“莫霍面”的梦想还有多远？
source link: https://tech.sina.com.cn/d/s/2019-08-27/doc-ihytcern3866332.shtml
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人类科学探索的手段，早已经抵达浩渺太空；但对于脚底下的地球深部，却还是难以触摸。早在上个世纪五十年代，科学家就梦想打一口超深的钻井，一直钻穿地球壳幔边界的“莫霍面”，看看原位的地幔究竟长什么样？六十多年过去了，这个梦想至今没有实现。但由此发
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