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带有圆柱形薄壁谐振腔的振频式压力传感器的应用范围受到很大限制的原因是:在待测压力短时超过临界值时,谐振腔要变形。临界压力由下式确定:
The reason why the application range of the vibrating pressure sensor with a cylindrical thin-walled cavity is greatly limited is that the cavity is deformed when the pressure to be measured suddenly exceeds the critical value. The critical pressure is given by: