me communications were lost, the daily said. The sources said they were on a routine patrol. It is also speculated that the unit was looking for a vessel carrying narcotics. The Island learns that bef
球化学数据集，相当于为海底完成一次全面 “元素体检”。 科研团队绘制出铁、锰、铜、稀土等数十种化学元素的分布与含量图谱，形成《中国东部海域沉积物地球化学图集》，成为海洋开发保护的 “总导航图”。 该成果可快
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