Safety navigation should be borne in mind.

时刻牢记安全航行第一。

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How to ensure the safety navigation of vessels was an important issue for scholars in navigation field.

如何保障船舶航行安全一直是航海界专家学者研究的重点。

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To solve the design matter related to channd bends, the basic requirements of the width in accordance with the need of safety navigation is analyzed.

为解决弯曲航道的设计问题，从确保船舶航行安全的角度，重点分析对航道宽度的要求；

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This digital elevation model (DEM) will be put to myriad uses - everything from improving the safety of aircraft navigation to understanding better which areas of ground are most at risk during a flood.

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OnStar, the GM subsidiary that provides navigation and safety systems for cars, took a terrible turn last week when it announced a huge change to its contract with its customers.

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"It will be every bit as luxurious as the original Titanic but of course it will have state-of-the-art 21st Century technology and the latest navigation and safety systems, " he said in a statement.

BBC: Australian billionaire Clive Palmer to build Titanic II