若把这些品牌放在一线城市，它们只是商场和社区里再寻常不过的商品，但放在皖北这座三线小城阜阳，却像一串从手机屏幕里掉出来的词。
Until now, most mobile phone companies have worked to ensure their phones won't start fires. (Occasional Samsung devices excepted, of course.) But this week at Mobile World Congress, we found a company that dared to go in a different direction. Oukitel's WP63 rugged smartphone includes a built-in fire starter, and this is what it looks like:
Последние новости，更多细节参见搜狗输入法
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iterating over the patterns, trying to walk each pattern in the trie，更多细节参见PDF资料