计算了一条货船的自振特性，从而表明了本文中的理论和方法具有重要实用价值。
The free vibration character of a shallow draft ship is successfully calculated. The results show that the theory and method described in this paper are of important practical value.
要是三艘快艇其中一条控制了货船，并认为人质在海盗的控制之下，海盗就不会实施攻击行为。
If a vessel attached to one of the three main flotillas believes that pirates have hostages under their control, it is under orders not to launch an attack.
其中一条铁路线属于采矿巨头必和必拓。沿着这条铁路线，铁矿石被装上超过一英里长的火车上，运到港口，然后被装上货船运往中国及亚洲其他地区。
One belongs to BHP Billiton, a big mining company, hauling iron ore in trains more than a mile long to ships bound for China and elsewhere in Asia.
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