搜索 - 科创

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1.4cm3.8cm6cm15cm20cm92cm以此大仙自述的技术实力，显然是没有能力将一套标准的Ku段的SAT-TV接收系统改造为可以接收上述频率的接收机的；对于射电天文应用领域需要的实用灵敏度，...

引用 csaaa:没看见这个是做PCB带钻孔的吗。Z轴要用来钻孔的。42步进性价比最高，满大街都是，有什么好浪费的。既然是给大家diy的肯定要用随处可见的东西啊，否则还有diy的意义吗。厚木板切不了，...

旧 sisc 性能(60M/S)比不过现在的 SATA2 (100M~140M/S) 有控制卡的好处就是能为CPU省些资源 , 但现在的CPU~~~性能爆强得行 5个的累加价格.........360...

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