The essay put forward the mapping method that make use of rectangular coordinates to depict net chart.
提出利用直角坐标刻划网格图测图的方法。
Using this improved method, one can directly measure the projected solar image by means of the rectangular coordinates, calculate and print the results needed with a microcomputer.
使用改进后的方法可直接用直角坐标测量太阳投影像，用微电子计算机计算并打印出全部所需结果。
This method makes use of the geodetic rectangular coordinates and setting out by coordinates to setting out the adding stakes directly, the calculation is simple and increases work efficiency.
该法利用大地直角坐标，直接用坐标放样法进行放样，计算简单，提高了作业效率。
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