reference coordinate

The deflected angle can be obtained from the slope of the line. The method used to find the coordinate of the reference point in the machine coordinate system also can be used to detect the deviation between the nozzle and the center of component.

由直线的斜率可得到元件的偏转角，利用基准点找质心的方法可确定元件中心坐标，其与图像中心的偏差经坐标转换可得吸嘴偏离元件中心的实际偏差。

互联网摘选

The problem of datum about combined algorithms is studied in detail, the coordinate reference datum of basic space time reference system is analyzed, some algebraic constraints used to define the reference datum are studied in detail. 4.

研究了联合解算中的基准问题，分析了基本时空参考系的坐标参考基准，系统研究了定义参考基准的代数约束。

互联网摘选

The whole centrifugal pump system, including leading-in conduits, blades, pump housing, and discharging tube, was calculated using the multi-reference coordinate and standard k-ε turbulent model.

选用多重参考坐标系及标准k-ε湍流模型，计算对包括导入管、叶轮、泵壳及出水管在内的整个离心泵系统。

互联网摘选

Analysis the structure of the CNC machine tools, description the feature relationship between the two adjacent moving body. Definition body coordinate system, sports reference coordinate system, etc between adjacent body of the characteristics transformation matrix when have errors.

分析数控机床的结构组成，描述两相邻运动体之间的特征关系，定义有误差情况下相邻体间的特征变换矩阵的体坐标系、运动参考坐标系等。

互联网摘选

Thus for non-coincident nodes a special reference coordinate system is available a uniaxial reference coordinate system.

因此,对于 非 一致性的节点,通常要使用单轴参考坐标系.

互联网摘选

In the framework of general relativity, the definitions and transform methods about basic space time reference are studied, definitions of coordinate time reference and space coordinate reference are presented. 3.

在广义相对论框架下，研究了基本时空参考系BCRS和GCRS的定义及转换方法，给出了坐标时参考系和空间坐标参考系的定义。

互联网摘选