He bought a thin metal plate with a hole at the centre.
他买了块中心有孔的薄金属板。
Small hole can be used with thin ropes if necessary, or as a belay plate.
细孔与幼绳同用或可作保护板用。
The elastic clip body (2) is also provided with at least one hole which is formed on the fixed part (4), and the hole is used for installing the elastic clip onto a thin plate.
以及所述弹性夹本体(2)还包括形成在其固定部(4)上的至少一个孔，用于将弹性夹安装到一个薄板上。
This paper deals with theoretical and numerical analyses of scattering of elastic wave and dynamic stress concentrations in an infinite thin plate with a circular hole using boundary element method.
本文采用边界元法对开孔无限大薄板弹性波的散射与动应力集中问题进行理论分析和数值计算。
This paper deals with theoretical and numerical analyses of scattering of elastic wave and dynamic stress concentrations in an infinite thin plate with a circular hole using boundary element method.
本文采用边界元法对开孔无限大薄板弹性波的散射与动应力集中问题进行理论分析和数值计算。
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