挠度是指建(构)筑物或其构件在水平方向或竖直方向上的弯曲值。例如桥的梁部在中间会产生向下弯曲，高耸建筑物会产生侧向弯曲。挠度观测就是通过一定的技术、仪器或方法对这种弯曲的程度进行测量和分析。
如此继续进行试件的挠度观测，就可绘制出蠕变曲线。
Thus continuing the regular measurements of the bending curves of the test-piece, one could construct a creep curve.
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.
试件的挠度应减小到观测时的轮廓与弯曲前已确定了的初始轮廓之间的差值。
A bending of the test-piece should be reduced to a difference between the profile at the measurement and the initial profile which was determined before bending.
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