Ocean current exerts a great influence on ship navigation and sailing safety.

海流对船舶导航、航行安全影响较大。

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Navigation system is the basic system on naval vessel that ensure them sailing safely.

舰船导航系统是舰船航行安全的基本保障系统。

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By using the empirical formulae of the ship resistance, the sailing resistance computation of the ship team for Three Gorges Project open channel navigation has been conducted.

本文应用船舶阻力经验公式，对三峡工程明渠施工通航船队，进行了航行阻力计算分析，并建立了水流阻力与航速；

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The traditional knowledge surrounding Lenjes includes oral literature, performing arts and festivals, in addition to the sailing and navigation techniques and terminology and weather forecasting that are closely associated with sailing, and the skills of wooden boat-building itself.

UNESCO: Intangible Cultural Heritage

Nevertheless, some iPad users are employing the tablet like a portable navigation device (PND) to map out routes while they are sailing, hiking and driving.

FORBES