Debris actually pelts the ISS all the time, and noticeable dents and cracks line the exteriors. But should something fully breach the station, cabin atmosphere will seep into the vacuum of space and alarms will go off. Pressure gauges will confirm to astronauts that the station has, almost certainly, been hit, and the speed of the seepages may indicate how much time the crew has to respond. According to one NASA estimate, a 0.6-centimeter-wide hole leaves 14 hours to plug the leak. A 20-centimeter hole leaves less than a minute.
但是“我们现在还没收到官方通知，也不敢乱猜”。
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Those actions could have severe repercussions for the U.S. economic trajectory. The Deloitte report noted how a projected rise of 8.7 million immigrants over a five-year period starting in 2024 translated to a 2.9% surge in GDP, citing numbers from the Congressional Budget Office.，推荐阅读爱思助手下载最新版本获取更多信息
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