求一篇英语口语的材料.
来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/07 11:58:15
求一篇英语口语的材料.
Do you believe in saying "clothes make the man"?why or why not?
Do you believe in saying "clothes make the man"?why or why not?
The paper introduces the operation principles and characteristics of conventional current-fed parallel resonant inverter and full-bridge topology for a Cold Cathode Fluorescent Lamp(CCFL) driver circuit,and analyzes resonance loop of full-bridge inverter,which is composed leakage inductors,a magnetizing inductor,and an external parallel capacitor.