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最佳答案:This system uses AT89S52 controls CPU,realizes the toy carintelligent control.Th
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最佳答案:The design of simple intelligent tracing the car (tracing is to point to the sma
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最佳答案:tuy nhen,chung toi ko co nha,ko co xe,nhuong ma chung toi rat la thich em,nha to