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参与互动此外，该技术还能减少着陆器气动减速的飞行距离、提高着陆精度，并有望实现高海拔地区着陆，增加火星的可探测区域。
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行走在农田上，如果翻开土壤，肉眼很容易看见碎成一截一截的白色地膜和土块纠结在一起，像是地里长出的庄稼。这个容错纠错机制其实在很多地方已经试行多年，是难点，但也有不少经验。
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经济新闻精选：
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