河口泥沙通量不仅是全球变化的研究内容，而且是与河口工程、环境等有密切联系的实际课题。
Estuarine sediment flux is not only one of contents of Global Change Research, but also is a practical problem nearly related to estuarine engineering and estuarine environment.
河口整治工程的实施效果与堤坝的结构型式密切相关，在河工模型上直接研究局部复杂结构对整治效果的影响有较大难度。
Effects of estuary regulation are related to the structural type of dykes, but it is difficult to study the effect of some local complex structures with physical models directly.
针对苏州河河口水闸工程中的大跨度箱形底板设计中遇到的困难，利用三维有限元对底板结构进行计算分析。
The three-dimensional finite element method was used to solve some key problems in the design of the box floor in Suzhou River Estuarine Lock project.
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