We built up a mechanical setup to apply external uniaxial and biaxial tensile strain. 我们建构了一种机制来施加外在单轴或双轴的伸展应力。
The condition of uniaxial stress is closely approximated in prismatic bars subjected to pure axial tensile or compressive ioading. 承受单纯轴向拉伸和压缩的棱柱杆十分近似地处于单轴的应力状态。