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文中从累计沉降值入手，建立拟合下沉面，推求任意方位的微倾角，从而获得了基于精密水准测量的井塔水平位移。其结果与GPS监测方法相一致。实际计算表明，本方法简便、几何意义直观，有一定的实际价值。
Starting from the cumulative settlement value, the fitting subsidence surface is established, and the micro dip angle of arbitrary azimuth is deduced, and the horizontal displacement of well tower based on precise leveling is obtained. The result is consistent with the GPS monitoring method. The actual calculation shows that the method is simple, intuitive and geometric meaning, and has certain practical value.