搜索 - 科创

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就快要生物竞赛了。。。其实就是下周了。。。生化和遗传还几乎没怎么动。。。今天看了看生化部分，问题甚多啊！如下：核酸部分：1.合成DNA的时候，原料准确的说，是dXTP还是脱氧核糖核苷酸？或者说这俩...

最近家里的音乐听腻了，觉得听不出什么感觉，而且diy瘾也起了，就想做只功放。不过想到自己没什么水平，就找了张比较简单tl494的图，因为家里还有十几个tl494没用。于是买了其它元件就照着做了，没想到...

o(︶︿︶)o 唉！马上就要中考了，学习任务很重，也就很少时间来KC了！今天挤出点时间来说说兆欧表！欢迎拍砖！大家多多指点！好了废话少说。兆欧表（Megger）俗称摇表，兆欧表大多采用手摇发电机供电，...

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