hef meaning in English
仓鼠胚胎成纤维细胞
高能燃料
Examples
- Centering on this , the paper analyses the phase - locked loop , the characteristics and application of hef - 4046bt , the circuit constitute of 8254 , and the elimination of interference in the control system . furthermore , the paper introduces some other characteristics of the soft starter , the hardware experimental circuits of its mcu control system and the whole design philosophy of its software , together with the main program flow chart
围绕这两项技术，本文从锁相环的基本知识入手，对微功耗cmos集成锁相环hef - 4046bt的工作特性和应用电路，本相高频互补对称脉冲序列芯片8254的电路组成，以及解决高压电场和起动大电流造成的磁场对弱电控制信号的干扰问题，一一做了系统的分析。