The operation was plain sailing.
手术进行得顺利。
It also thinks that the proper and effective operation of the main engine must fit with the astern condition, ensure safety in sailing.
文章认为只有依据船舶实时倒航工况方能做到主机操作的及时与正确，保证航行安全。
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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