在特别设计的情况下大电容能保持存储器的内容长达几十分钟,记得早些年国内销售的VCR等掉电一段时间,就是靠一个大容量电容
在特别设计的情况下大电容能保持存储器的内容长达几十分钟,记得早些年国内销售的VCR等掉电一段时间,就是靠一个大容量电容
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