您要查找的是不是：
- DC-DC变换DC-DC conversion
- DC/DC变换器DC/DC converter
- DC／DC变换DC/DC convert
- 双向DC/DC变换器Bidirectional DC/DC converter
- 变换vary
- 降压DC-DC变换器DC-DC buck converters
- PWMDC／DC变换器PWM DC/DC converter
- 推挽型DC-DC变换器pull-push DC-DC converter
- 多输入DC／DC变换器multi-input DC/DC 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
- 变换器／DC／DC变换器converter / DC/DC converter
- 双向DC-DC变换器的研究Research on Bi-directional DC-DC Converter
- DC/AC变换DC/AC convert
- DC-DC变换器DC-DC converter
- AC-DC变换器AC-DC converter
- AC/DC变换器AC/DC converter
- DC-AC变换器DC-AC converter
- DC/AC变换器DC/AC converter
- DC／AC变换DC/AC switch
- 双向DC-DC变换bidirectional DC-DC converter
