要考数字电路了，我怕怕~
明天就要考数字电路了，可是我还有好多不会哦~
考完了要好好的踢场球，好久没运动，肌肉的委缩了……
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Inspiration from life
Bo Cheng is a software engineer. He has been writing code since 2004, and is currently living in Chino Hills, CA.
chengbo
chengbo1983
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