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.
A block has a storage capacity, and once it's used up, it can be closed and linked to a previously served block.
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不过在中低端市场面临缩减的同时，高端市场的成长韧性进一步凸显，反而有望扩大。IDC的预测中，中国智能手机市场600美元以上市场份额将达到35.9%，同比增长5.4个百分点。
As the British capital attempts to regain its status as the hottest destination for talented designers, both established names and rising stars have been showcasing their autumn and winter looks.