梁心，北京大学历史学博士，现任厦门大学历史系助理教授，民研究领域为国时期的城乡关系。
“买称心的礼物，说对心的话，甚至要点合胃口的菜——这些任务令我难以招架，”梁宇说。
"Buying the right gift, saying the right words, even ordering the right dishes -these responsibilities can exhaust me," said Liang.
针对开口薄壁截面梁的剪流和弯心坐标的复杂计算问题，导出了简便计算公式。
A simple calculation expression of the shearing flow and the coordinates of bending center is introduced for the thin-walled beam with open section.
结合示例介绍了用动态坐标法直接计算薄壁构件的空间变形，并将其用到弯心不共线的薄壁梁的计算分析中，给出了相应的单元柔度矩阵和力法求解过程。
The thin-walled element with different shear-centers on one section is analyzed and calculated by this method as well, then, the element flexibility matrix is presented.
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