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1·Column in the same horizontal line, the high speed rail board installation is very easy, convenient, otherwise there will be a phenomenon of screw dislocation, can not be installed.

立柱在同一水平线后，高速护栏板的安装也就非常容易、便捷了，否则会出现螺丝错位的现象，无法安装。

2·The image force acting on the piezoelectric screw dislocation and the generalized stress on the surface of rigid line are calculated.

导出了作用在位错上的像力和刚性线夹杂表面剪应力和电位移的解析表达式。

3·The variation of screw dislocation forces for correlative material parameters and different radians of crack or rigid line is discussed particularly.

并讨论了位错力随材料相关参数，非理想界面参数，裂纹和刚性线弧度的变化规律。

4·The electroelastic interaction between a piezoelectric screw dislocation and an elliptical inclusion containing an electrically conductive interfacial rigid line is investigated.

研究了无限大压电基体材料中压电螺型位错与含界面导电刚性线椭圆夹杂的电弹耦合干涉问题。

5·As a result, analysis and discussion show that the influence of interfacial crack or rigid line inclusion on the interaction between screw dislocation and inhomogeneity is significant.

分析结果表明，界面裂纹和刚性线夹杂对螺型位错与夹杂的干涉作用具有强烈的扰动效应。

6·It is probable that we, ll have geologic hazards come from earthquake and faulted structure, they can stratigraphic heave, inhomogeneous ground subsidence to result in oil line dislocation.

可能遭受的地质灾害主要为由于地震或断裂构造引起的地层错动或不均匀地面沉降，导致管线开裂。