1.前言应变片不仅作为应力测量的手段,而且在各种物理量——位移、应力、压力、负荷、扭矩、加速度等应变片式变换器上也有广泛的应用。其应用范围甚广,在船舶、飞机、机 1. Introduction Strain gauges not only serve as a means of stress measurement, but also are widely used in a variety of physical quantities - strain gauge transducers such as displacement, stress, pressure, load, torque and acceleration. Its wide range of applications, in ships, aircraft, aircraft