orthogonal curvilinear coordinate system meaning in Chinese

正交曲线坐标系

Finally , in orthogonal curvilinear coordinate systems numerical model is established and applied in the yangtze river estuary in which some regulation plans are taken include submerged jets and groins . verifications are also done to verify water level and velocity . flow fields are computed for the analysis of effect of regulation engineering on the whole water area
最后，应用正交曲线网格技术，建立了正交曲线坐标系下广义浅水方程的计算模式，将之应用于长江口深水航道整治工程的流场计算，进行实测水位、流速验证和流场模拟。