three dimension mathematic model

• 三维数值模型

three dimension mathematic model的用法和样例：

例句

1. The bed evolution of Oi River in Central Japan is studied with a 1-D numerical model of sediment transport.
   摘要利用一维的泥沙数值模型研究了位于日本中部的大井河河床变动情况。
2. The main job was to establish the model of full aircraft and landing gears and run a symmetric landing and taxiing simulation.
   摘要主要建立了全机和支柱式起落架缓冲支柱的数值模型，并进行了着陆和滑跑仿真计算。