根据现代微倾水准仪的视准轴可以调整的构造特点，阐述了使水准仪视准轴垂直于竖轴的方法，以及倾斜竖轴法放样斜坡面的原理；
According to the structural feature of modern tilting levels , the method of erecting the collimation axis to the standing axis and the principle of the setting out of slope with the tilting standing axis are expounded .
微倾水准仪