rectangular coordinaterekˈtæŋɡjuləkəuˈɔ:dineitＳＧ 基本例句 直角坐标 坐标 The governing equations of the model are transformed from the forms in the rectangular coordinate to the forms in the general curvilinear coordinate. 采用同位网格布置变量，将所有计算变量布置于同一控制体积内，离散方程形式统一。 fabiao