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阐述了振动筒压力传感器长期稳定性能的重要性，给出了其长期稳定性的数据采集与处理系统原理及计算方法，并分析了影响长期稳定性性能指标的主要因素。
The importance of long-term stability of vibrating cylinder pressure sensor is expounded. The principle and calculation method of data acquisition and processing system for its long-term stability are given. The main factors affecting long-term stability performance index are analyzed.