rectangular bar短语⁸⁴³²⁰⁺⁸ 基本例句 长方形棒 In this paper, the dynamic transient fields of stress and displacement have been computed for a centrally cracked rectangular bar, subjected to uniaxial tensions under the condition of plane strain. 本文计算了在平面应变条件下，承受突然施加的轴向拉伸荷载的中心裂纹试样的瞬态的应力场和位移场。 cnki