坐标平面 [数] coordinate plane ; coordinate e plane
极坐标平面 polar coordinate plane
主坐标平面 principal coordinate planes ; principal co ordinate plane
高斯平面坐标系 Gauss plane coordinate system ; Gauss Horizontal Rectangular Coordinate System
坐标超平面 [数] coordinate hyperplane
高斯平面坐标 Gauss plane coordinate
平面坐标平差 adjustment of planimetry
平面坐标系 coordinate plane ; planar coordinate system ; plane-coordinate system
超平面坐标 hyperplane coordinates
平面坐标到极坐标 Rectangular to Polar
抛物面一种有与单坐标轴平行的抛物截面和与该轴垂直的椭圆截面的平面。
A surface having parabolic sections parallel to a single coordinate axis and elliptic sections perpendicular to that axis.
近代历史海图数学基础的转换；浙江海区近代历史海图的平面坐标改正和深度基准面改正。
The transformation on mathematical basis of modern historic chart, the correction of the horizontal coordinate and depth data on the charts for the waters off Zhejiang coast are elaborated.
利用平面图形几何重心公式计算回采工作面水平投影图形的重心坐标，然后根据影响传播角和开采深度计算下沉盆地中心位置的坐标。
The barycentric coordinates of the plane view projection of a coal face are solved with a formula of geometric gravity centre.
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