您要查找的是不是：
- DC/DC变换器DC/DC converter
- 双向DC/DC变换器Bidirectional DC/DC converter
- 器utensil
- 降压DC-DC变换器DC-DC buck converters
- 管理器manager
- 资源管理器explorer
- PWMDC／DC变换器PWM DC/DC converter
- DC-DC变换DC-DC conversion
- 变换器convertor
- DC／DC变换DC/DC convert
- AC-AC变换器AC AC converter
- AC/AC变换器AC/AC converter
- AC／AC变换器AC/AC converter
- 推挽型DC-DC变换器pull-push DC-DC converter
- 直接AD-AC变换器direct AC-AC converter
- AC-AC矩阵变换器AC - AC matrix converter(MC)
- 多输入DC／DC变换器multi-input DC/DC converter
- 直接AC／AC变换器Direct AC/AC Converter
- 闭环具有锯齿特性的PWM型DC-DC buck变换器周期解的存在性Existence of periodic solutions for closed-loop sawtooth-featured PWM DC-DC buck converters
- 高频交流环节AC/AC变换器研究Research on AC/AC Converters with High Frequency AC Link
