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时间:2007-10-08 来源: 作者:张懿点击：…… 字体大小:【大中小】摘要：基于Arm9内核的单片机，由于其低廉的价格与优越的性能，已经被广泛的应用于各种消费类电子产品中...

最近买了一个nanoVNA玩玩，还没到货，但是发现没有比较简明的文章来梳理它的工作原理。所以整理编辑了一些相关的资料，分享给使用它的或者对它感兴趣的爱好者。对于仪器的更深入的理解有助于更好地使用仪器，...

引用第76楼tramrax于2011-12-15 12:03发表的 :求教：4KW输出，加热铜线圈内径400mm，线圈内放置壁厚10mm，内径300mm，304不锈钢桶，桶内分散放置直径5mm304...

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