frequency characteristic短语¹⁴⁴⁹⁷²⁺² 基本例句 频率特性,频次特征 A compensator of frequency/span> characteristic of piezoelectric sensor is presented. This compensator has the adjustable frequency characteristic arbitrarily based on charge transfer devices CTD. 研制了一种以电荷转移器件 CTD为核心,具有频率特性可随意调节的压电传感器频率特性补偿器。 cnki