挠度是指结构构件的轴线或中面由于弯曲引起垂直于轴线或中面方向的线位移。
对比结果表明利用倾角仪测量桥梁挠度的结果是可靠的，精度是有保证的。
Comparison between the measurement results with QY inclinometer and photoelectric bridge deflection gauge shows that QY inclinometer is reliable and has high precision.
论文介绍了全站仪法测量桥梁挠度的原理和计算公式，并对全站仪法观测桥梁挠度变形值的测量精度进行了分析。
The theory and the formula of the deflection deformation survey with total station instrument were introduced, and the survey accuracy was analyzed.
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