The Pentagon report said another carrier, one made from components made in China, may already be under construction and ready to sail in 2015.
具五角大楼的报告，中国另一艘航空母舰已在建造中，估计将于2015年下水服役。
OBTS can be used for training purposes to individual, department and whole ship while it is in port, under sail or in active service without disturbing its mission.
舰艇航行时或停靠港口时，可以进行个人、部门乃至全舰的模拟训练，而不影响当时所执行的任务。
It can be seen from the cartoon that a large ship cannot sail under the bridge.
从画中可以看到，一条大船无法在桥底下驶过。
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