In 2012, the Curiosity rover pulled off a spectacular landing on Mars as the whole world watched. But it was almost not to be. Just days before the landing on a Sunday in early August, NASA Chief Engineer Miguel de San Martfn discovered an error. His team placed the spacecraft's Inertia! Measurement Unit, an essential instrument for landing, in the wrong place, a few inches above where the landing software expected it.
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机译：2012年，好奇号漫游车在整个世界范围内在火星上引人注目。但这几乎不是。在8月初星期日降落的几天前，NASA总工程师Miguel de San Martfn发现了一个错误。他的团队放置了飞船的惯性！测量单元，这是用于在错误的地方着陆的重要仪器，距离着陆软件预期的位置高出几英寸。
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