工程后的航行条件将有较大的改善，原来船舶上行的三绞减为一绞。
After regulation works, the navigation conditions will be greatly improved, the number of rapids-heaving for upriver ship will be reduced.
航道水流条件是保证船舶航行安全的主要问题之一。
The flow conditions in the approach channel are one of the prerequisites to ensure the ships navigating safely.
应用数学模型研究船舶在航道中的航行条件，可以经济、快速了解水利工程兴建后，其对船舶航行的影响。
Researching the conditions of navigation in sea route and realizing the influences to navigation of hydraulic engineering by mathematical model are speedy and economic.
应用数学模型研究船舶在航道中的航行条件，可以经济、快速了解水利工程兴建后，其对船舶航行的影响。
Researching the conditions of navigation in sea route and realizing the influences to navigation of hydraulic engineering by mathematical model are speedy and economic.
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