先有一大块金属；然后一个机器人。

First a hunk of metal; then a robot.

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介绍了目前镁基大块金属玻璃的研究重点及其发展趋势。

Furthermore, the study emphases and development trend of Mg-based bulk metallic glasses are also introduced.

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但他们无法确认这些大块金属物是否来自于坠毁的飞机。

But they were unable to say whether they were from the downed plane.

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