用挖泥船或其他工具在航道中清除水下泥沙的作业。航道疏浚是开发航道，增加和维护航道尺度的主要手段之一。
本文主要针对航道疏浚gps定位系统进行了设计和开发。
This thesis centers on the special topic of design and development on the GPSpositioning of channel dredging.
通过扩散实验认为与航道疏浚工程有一定的污染，但是影响不大。
It is believed through the diffusion tests that the channel butt he influence is not very big.
结合航道建设工程实例，分析航道疏浚工程对环境的影响及采取的措施。
Based on many instances in waterway construction work, the author analyzes the influences of waterway dredging upon environment and measures adopted.
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