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.
第三章在前文分析的基础上，参考了国外先进的水域交通安全管理经验，提出了大连港水域交通安全管理的改进方法。
The third chapter puts forward amelioration methods of Marine traffic security management of Dalian port based on the hereinbefore analysis and the reference of foreign advanced experience.
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