【摘要】 压电式传感器通常都需要接触测量，它的灵敏度、频响特性和重量，是衡量其工作性能的主要指标。分析讨论了影响其工作性能的主要因素。更多还原

【Abstract】 Piezoelectric sensor of piezoelectric effect often requires contact measurement; its sensitivety,frequency-response characteristic and weight are main elements to judge its work capability.A discussion about its chief factors of affecting work capability is analyzed.更多还原