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¥49.50 ¥99.00 (5.0折)
¥29.50 ¥59.00 (5.0折)
¥39.90 ¥79.80 (5.0折)
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![一看就懂的半导体：适合所有人的科技指南 [美] 科里·理查德](http://img3m5.ddimg.cn/97/30/29756725-1_l_1721184494.jpg "一看就懂的半导体：适合所有人的科技指南 [美] 科里·理查德")
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¥59.80 ¥89.90 (6.7折)
¥44.50 ¥89.00 (5.0折)
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¥29.90 ¥59.80 (5.0折)
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