正在火星執行探測任務的好奇號機械人的機械手臂裝備有鑽頭，可鑽入岩石內部採集樣本，傳輸入化學和礦物學分析儀或火星樣本分析設備進行化驗，將分析結果及時回傳地球。一個機械人身兼二職，又是地質學家，又是化學家，忙得不亦樂乎！
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