搜索 - 科创

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引用第10楼jrcsh于2009-06-08 00:25发表的 :PVC管自制天文望远镜哪有给个地址 ~~~ 我也去跟一下风我只要能看清对面楼就好了牧夫论坛里有个DIY器材的板块，里面都...

if (fp=fopen("fa.dat","r")==NULL)这样的技巧还是少用为好，编译器通常会提示Warning另外fopen里第二个参数为r是不能写入内容的DevC++ 4992 编译通过 ...

引用 rudolf:体积没有要求，弄到40*40*40厘米都可以，关键是我不会弄这东西。下午跑了趟电子市场找做单片机开发的，单片机电路带程序报价4000块。开关电源加PLC不会超过200，这个方案实...

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