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inverse plummet observation
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inverse plummet observation
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工学
位移观测
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inverse plummet observation
倒锤线观测
下端固定在变形体下的基岩内,上端连接在油箱内的自由浮体上,拉紧的金属丝作为竖向基准线,定期测量建筑物、构筑物不同高度处的观测点与基准线间的距离,求定观测点绝对水平位移量的一种观测方法。
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