The effective stress iterative method of estimating neutral point and downdrag on a single pile was presented in this paper.

采有效应力法来确定中性点的位置和计下拉荷载值,并通过一个实例来说明试的过程。

BE all wiped a daubery by his hard iterative wrinkle, he is like a worker's similar dozen to whet this scenery painting.

都被他认真反复的皴擦涂抹，他像工人一样打磨这一张张的风景画。

The diagnosis principle and diagnosability conditions are proposed, and the normal tolerance network test nede voltage interval are given by interval iterative algorithm.

该方法给出了容差情况下诊断的原理和可诊断性条件，并利区间法，给出了容差网络无故障情况下的测试节点电压范围。