FETSCOCA²⁴³¹⁷⁷BNC¹⁴⁴⁶⁶⁴⁺³ 基本例句 =forced expiratory time in seconds 以秒表示的用力呼气时间 Four circuit configurations of high-performance active inductorrealized with FETs are proposed in this paper, and their impedance characteristic shows that they are low loss or lossless. 提出用 FET实现四种高性能的微波有源电感基本电路结构,通过分析各个电路的特性表明,这四个有源电感均是低损耗或无损耗的。 cnki