2 d numerical model 二维数值模型
a 2 d numerical model 二维水流数学模型
2-d flow numerical model 二维水流数模
2 d horizontal numerical model 平面二维数值模型
2-D horizontal numerical model 平面数学模型
2-D hydrodynamic-numerical model 二维水动力数学模型
2-D water quality numerical model 平面二维水质数值模型
2-d tidal current numerical model 二维潮流数学模型
2-d numerical water-sediment model 二维水沙数学模型
The trend of river bed deformation calculated by a plane 2-D numerical model of total sediment transport is in good agreement with the real conditions.
通过选择有关参数，处理工程边界以及进口边界条件，用二维河道全沙数学模型计算所得的河床变形趋势与实测情况基本一致。
Based on the study of ideal estuary, this article has studied the tidal limit and tidal current limit of Yangtze estuary by using the 2-d numerical model.
第二部分在理想河口研究的基础上，对长江下游感潮河段进行了水动力数值模拟。
A 2-d numerical model of wave motion in lock approach channel is described, which is soluted by using the method of resultants of 2-d numerical model of unsteady flow and 1-d numerical model.
提出船闸引航道内水面波动的二维数学模型，采用二维非恒定流数学模型和船闸灌泄水一维数学模型联解。
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