Aug 26th, 2007, 13:21 | #1 |
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Aug 26th, 2007, 18:25 | #2 |
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个人觉得没有人会赞助的,因为这样的产品已经太多了,我记得90年代初就已经有了,而你还没有做出来,也没有什么特殊优势。我记得二十多年前我研究过,利用电力载波传送数据,单片机控制,而且可以分时调整不同计费率,还有防窃电功能,中央管理计算机远程统计打印并可以远程遥控修改各个电表单元,还可以直接控制断电如果欠费,电脑直接自动呼叫欠费客户语音提醒.......
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Aug 26th, 2007, 18:30 | #3 |
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Aug 26th, 2007, 23:05 | #4 |
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Aug 27th, 2007, 16:39 | #5 |
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Aug 27th, 2007, 18:42 | #6 |
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Aug 27th, 2007, 20:55 | #7 |
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How to quickly get so much 声望 as 楼主 in a short time?好奇中
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Aug 27th, 2007, 22:14 | #8 |
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Aug 28th, 2007, 16:15 | #9 |
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Aug 30th, 2007, 17:41 | #10 |
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Aug 30th, 2007, 17:59 | #11 |
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楼主已经吃透别人近20年的超表专利,能不能总结一下这些系统的分类及优缺点等等呢,学习一下。
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Aug 31st, 2007, 02:17 | #12 |
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Nov 16th, 2007, 13:51 | #13 |
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永远不上华丰,直到beauty_cat被封为止 |
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Feb 14th, 2008, 16:27 | #14 |
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Feb 15th, 2008, 16:44 | #15 |
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Feb 25th, 2008, 16:26 | #16 |
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Feb 25th, 2008, 17:39 | #17 |
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老兄你智商太高了,太有才了,可惜没当成大官啊,否则你那些思路一定能搞出来,全国人民都人手一台,多爽啊。既然你信息表可以预报地震,那么预报老鼠药是不是太浪费了,预测股票涨跌我看还行,就是不知道你那玩意准不准了。
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Feb 27th, 2008, 17:55 | #18 |
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我记得我年轻那会虽然是用的232电气连接,但是传输位完全不是RS232定义的,完全是自己定义的,串行信号也是芯片管脚编程模拟产生,接到普通232口什么也读不出来的,全是乱吗,因此即使沉入大海或落入外国,传输数据也不容易被破解。好像你的航空xx不是太保密啊,直接传232数据的话,估计你航xx那个是做测试用的吧。
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Feb 28th, 2008, 18:18 | #19 |
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Jun 6th, 2008, 14:51 | #20 |
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