Tests reveal that the bottom of the reinforcement cage corresponds to the minimum of the electric potential gradient curve and the inflexion of the electric potential curve.

根据充电法原理，结合模型桩试验，分析了钢筋笼周围的充电电场特征，结果表明钢筋笼的底端对应于电位梯度曲线的极小值点及电位曲线的拐点。

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Short-end bill prices fell sending implied yields higher by five basis points forcing the gradient of the curve higher as the steepening process grinds forward.

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The two-10-year spread also flattened hugely with the gradient of the curve falling below 200 basis points (2%) for the first time since October and ahead of the expected second round of quantitative easing.

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