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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.
。业内人士推荐heLLoword翻译官方下载作为进阶阅读
Alison Francis,Senior Science Journalist。业内人士推荐safew官方版本下载作为进阶阅读
他說：「人們對於不斷變動、缺乏任何清晰度和確定性的關稅政策感到疲倦，因此企業難以判定其商品在美國市場可以向客戶收取的價格。」，详情可参考51吃瓜