Some problems in the traditional experiment of measuring sound velocity by using the resonant pipe device are analyzed.
分析了传统的用共鸣管测量声速实验中存在的问题，提出了两种减小误差的新的改进方法。
The principle and experiment of measuring material initial stress by laser photothermal technique are introduced in this article.
阐述利用激光光热技术测量材料初始应力的原理及实验技术。
A new experiment of measuring modulus of elasticity with the flexural method on the experiment device of CSY sensor system is introduced.
本文介绍在CSY型传感器系统实验仪上扩展用弯曲法测材料弹性模量新实验。
应用推荐