第一章对水域船舶交通安全管理作了概念性的介绍，并介绍了大连港水域的物理情况。
The first chapter makes the introduction of the definition of Marine (vessel) traffic security and introduces the condition of Dalian port.
第一章对水域船舶交通安全管理作了概念性的介绍，并介绍了大连港水域的物理情况。
The first chapter makes the introduction of the definition of Marine (vessel) traffic security and introduces the condition of Dalian port.
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