弹性力学平面问题
plane stress of elastic mechanics
弹性力学空间问题
Three-dimensional elastic mechanics
弹性杆系问题研究
A Study on the Elastic Bar System Problem
弹塑性问题
Elasto-plastic problem
elasto-plasticity problem
elasto-plastic problems
elastoplastic problem
胆囊切除术后问题
postcholecystectom y problem s
单一起点最短路径问题
single-source shortest-path problem
单一目的地最短路径问题
single-destination shortest-path problem