以机械工厂的锻造机为代表的各种大型机械、铁路车辆、汽车以及各种建筑机械等产生的公害振动影响人们的生活和健康,都要进行测量。要把振动作为一个尺度给予定量的表示,仅在人们对振动的感觉这样一个相当主观因素的问题上,就存在着很多问题。以多次人体实验为基础的 All kinds of large-scale machinery, railway vehicles, automobiles and various construction machinery, as represented by the forging machines in the machinery factory, affect the life and health of people through the public hazard and vibration. Vibration should be given a quantitative measure as a measure. There are many problems only in the face of such a subjective factor as people’s perception of vibration. Based on multiple human experiments