引用本文: | 李依伦, 李敏. 材料力学中应力与应变的名称与正负定义[J]. 力学与实践, 2017, 39(5): 484-488. DOI: 10.6052/1000-0879-17-068 |
Citation: | Li Yilun, Li Min. The names and plus-minus definitions of stress and strain in mechanics of material[J]. MECHANICS IN ENGINEERING, 2017, 39(5): 484-488. DOI: 10.6052/1000-0879-17-068 |