Paul Watson, captain of the Sea Shepherd ship tracking the whalers, says he is prepared to keep up the chase for weeks.

保罗·沃森船长被海洋看护协会派来跟踪捕鲸船队，他说他已经准备好继续工作几个星期。

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Next, the structure, the working principles and the performance of the DSC Ship Tracking System which has been developed by the author is mainly described.

着重阐述了利用数字选择性呼叫技术的船舶跟踪系统的组成结构及其工作原理、技术指标；

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Then, on the basis of collecting and analyzing large data in ship tracking field, this paper concludes a model that is suitable for the engineering application.

然后，在收集大量国内外文献资料的前提下，综合各种相关算法，设计出一种适合工程应用的船舶跟踪技术。

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The satellite will have a number of viewing modes that will enable it to perform a wide range of roles, from flood monitoring and land cover classification to disaster mapping and maritime enforcement - notably ship tracking and oil spill detection.

BBC: Surrey to start making radar satellites

"We are greatly relieved to hear that they are safe after their terrible ordeal, " said Peter Swift, chairman of the Maritime Piracy Humanitarian Response Programme, which has been tracking the ship's saga.

CNN: Ship crew held for 1,000 days rescued off coast of Yemen

Meanwhile, the United States said it was tracking a Russian military cargo ship en route to Syria that is carrying weapons, ammunition and a small number of Russian troops.

CNN: STORY HIGHLIGHTS