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.
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，这一点在下载安装汽水音乐中也有详细论述
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第十五条 自然保护区区域范围的划定应当统筹考虑自然生态系统等保护对象分布区域的完整性、管理可行性和周边经济社会发展的需要，坚持实事求是、科学合理，经过充分调查和科学论证。