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china
吳生
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樓主  發(fā)表于: 2008-05-10 19:51
上升沿是指輸入點(diǎn)或其它點(diǎn)在為ON時(shí)只輸出一個(gè)為ON的脈沖.
100759
生活-焉知水生火熱
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1樓  發(fā)表于: 2008-05-10 20:11
哥們..你這是??

  汗顏...  
yangyajiang
看得多回得少。見(jiàn)諒了！
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2樓  發(fā)表于: 2008-05-10 23:42
他這是在考你吧，　怎么問(wèn)這么簡(jiǎn)單的問(wèn)題

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