搜索 - 科创

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这个时序图.当我使用Mode 3时，当写到最后一个数据时候,即23这里；当在23高电平位置,我如果我是使用MODE 3 还需要值为低电平在置回高电平吗？

我原本是用硫在氧气中燃烧的装置制SO2，可是必须烧一次换一次气，而且用纯氧气也成本高。能不能设计一个以空气为原料的能持久燃烧的装置呢？PS.最好要体积小，原材料易得。

原题大意是：正玄波交流电被二极管半波整流后，在相同的纯电阻性负载上，其功率是原来的多少？简单举例，比如一把50W/220V的烙铁，接在被二极管半波整流后的电路中，消耗功率变成了多少？有人说是25W，也...

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