Through the Visual C++6 to design the inverse coordinate calculation program ,based on the dialog box to write,especially the calculation in the control network adjustment , and to calculate the coordinate azimuth angle and plane coordinates calculation ,in a traverse ,through coordinate and ensure the precision of the control network .This pro-gram is widely used in construction lofting and related work and verified its accuracy and reliability by using examples .%通过Visual C＋＋6.0来设计坐标正反算的程序，基于对话框来编写，特别是在控制网平差计算中，用来坐标方位角的推算和平面坐标的正反算，在导线测量中，通过坐标的正反算来确保控制网的精度。该程序可以广泛应用于施工放样等相关工作中，并且用实际的测量工作验证了其准确性和实用性。
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