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毅力号
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毅力号
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火星空间探测
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Perseverance
毅力号
美国发射的火星车,主要任务是在火星上搜寻可能的远古生命留下的痕迹,考察远古火星的地质环境和气候,采集火星地表样本,此外还要论证未来载人火星计划可能用到的新技术。又称火星2020。
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nearly compact
nearly diurnal free wobble
nearly everywhere
nearly free electron model
nearly independent particle system
nearly integrable system
nearly optimal
nearly parabolic comet
nearly parabolic orbit
nearly perfect code
nearly perfect crystal
nearly poised series
nearly reducible matrix
near-magic nucleus
near mapping
near-marine sediment geochemical survey
near miss
near-monochromatic radiation
near-natural wetland
near nature fiver engineering method
near neighbor
near neighbor problem
nearness
nearness product space
nearness space
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