Now scientists are directly linking the uncontrolled rocket re-entry to a plume of lithium measured less than 100km above Earth.
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中华文明从不固步自封，不断在交流互鉴的过程中汲取力量。通过资源网络分析与科技检测，考古学重塑了曾经跨越山河的和平交流之网。