This map marked some parts of China, Korean, Japan, Philippines, Indonesia, Southeast Asia and India, of great significance in terms of practicality and ocean navigation.

地图标注了中国的局部，韩国，日本，菲律宾，印度尼西亚，东南亚和印度，在实用性与导航方面具有极其重要的意义。

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Currently, the navigation system has gradually become a hot topic. There are various navigation products in the market, including on-board navigation systems, ocean navigation systems.

当前，导航系统已逐步成为一项研究热点，各类导航产品已进入市场，包括车载导航系统，远洋轮船导航系统等。

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The 3 Glonass-M navigation satellites, which have been launched earlier Sunday, crashed in the Pacific Ocean off Hawaii Islands after falling off course, RIA news agency reported.

据俄新社报道，俄罗斯5日发射的3颗"格洛纳斯-M"导航卫星脱离轨道，坠入夏威夷岛附近的太平洋。

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Mr Smith took a degree in Ocean Science and Marine Navigation at the University of Plymouth.

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And on 5 December last year, a Proton carrying three navigation spacecraft fell into the Pacific Ocean.

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The Bush administration is urging the Senate to consent this summer to the Convention on the Law of the Sea, the complex and sprawling treaty that governs shipping, navigation, mining, fishing and other ocean activities.

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