Tech blogs have long speculated on the demise of the 30-pin connector , which at 21 mm wide takes up a chunk of space , especially as the latest technologies such as microUSB offer more power in less space .
之前有很多科技博客已经预测了30针接口的消失，因为宽达21毫米的接口占用了一大块空间，特别是目前最新的microUSB技术已经能在更小的空间里提供更多的能量了。
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