A two-dimensional model for sailing was used to divide the voyage into several sections and obtain a corresponding coordinate system by a circumvolving and shifting operation.
该方法在比赛区域建立二维平面坐标系，将整个航程划分若干区段，通过坐标轴旋转和平移得到各区段的虚拟坐标系。
A two-dimensional model for sailing was used to divide the voyage into several sections and obtain a corresponding coordinate system by a circumvolving and shifting operation.
该方法在比赛区域建立二维平面坐标系，将整个航程划分若干区段，通过坐标轴旋转和平移得到各区段的虚拟坐标系。
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