有如下四个请求, 请问会在浏览器中生成多少条缓存记录？
https://i0.hdslb.com/bfs/archive/d16097a03ec63a3d74fed995c590ddaf88112d9e.jpg@160w_100h.jpg https://i0.hdslb.com/bfs/archive/d16097a03ec63a3d74fed995c590ddaf88112d9e.jpg@160w_100h.png https://i1.hdslb.com/bfs/archive/d16097a03ec63a3d74fed995c590ddaf88112d9e.jpg@160w_100h.jpg https://i0.hdslb.com/bfs/archive/d16097a03ec63a3d74fed995c590ddaf88112d9e.jpg@160w_100h.jpg?t=1231019027
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