The form of distortion of work piece was studied, and the software rectification method of three coordinates measurement data was put forward accordingly.
研究了工件的变形形式，并依此提出三坐标测量数据的软件矫正法。
Under the body-fitted coordinates, a study of three-dimensional laminar flow and heat exchange characteristics of staggered round tube bank fin is carried out through finite difference method.
在适体坐标系中采用有限差分法对错排圆管管片式换热芯子的三维层流流动及其换热特性进行了研究。
The form of distortion of work piece was studied, and the software rectification method of three coordinates measurement data was pot forward accordingly.
研究了工件的变形形式，并依此提出三坐标测量数据的软件矫正法。
The proposed method can measure accurately three-dimensional coordinates of objects' surface in water, and calculate the geometrical size of the object.
新方法可以精确测量出水中被测物表面的三维坐标并计算出物体的几何尺寸，实验验证了该方法的有效性。
Three-dimensional coordinate method can calculate the deviation only by measuring the 3d coordinates anywhere in the sections.
三维坐标法，只需测量隧道断面内任意位置的三维坐标即可计算其偏差。
Combined with weighted filtration to successful sample points, it uses the method of sampling in three-dimensional space and range constraint to acquire three-dimensional coordinates of nodes.
为了减小定位误差和提高算法的适应性，利用三维空间抽样和范围约束的方法，并结合对成功样本点的加权筛选，获得节点的三维估计坐标以实现抽样定位。
Must propose a suitable method of adjustment wires total station, so that the observed three-dimensional coordinates of traverse points can be directly involved in the adjustment calculation.
因此必须提出一种适合于全站仪导线的平差方法，使观测到的导线点的三维坐标能直接参与平差计算。
Must propose a suitable method of adjustment wires total station, so that the observed three-dimensional coordinates of traverse points can be directly involved in the adjustment calculation.
因此必须提出一种适合于全站仪导线的平差方法，使观测到的导线点的三维坐标能直接参与平差计算。
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