Jahn exercises

基本解释扬氏体操

网络释义

1)Jahn exercises,扬氏体操2)Yangshi Gymnastics,杨氏体操3)Regen exercise,里金氏体操4)Young modulus,扬氏模量5)Jansen disease,扬森氏病6)Young operation,扬氏手术

Research on Yangshi Gymnastics and Its Significance;

对杨氏体操及其影响的探究

An experimental method of improving the measuring of metal Young modulus using a semi-conductor laser is introduced.

本文介绍了一种用半导体激光器改进测金属扬氏模量实验的方法，提高了测量精度，简化了操作过程，节省了实验装置。