Researchers used a special laser 3D printing method to melt fake lunar soil into layers and fused it with a base surface to manufacture small, heat-resistant objects, potentially paving the way to more sustainable and cost-effective space missions, a new study suggests.
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第一百七十五条 船舶发生碰撞，当事船舶的船长在不严重危及本船和船上人员安全的情况下，对于相碰的船舶和船上人员应当尽力施救。