该算法分三个阶段：粗搜索阶段、下降搜索阶段和细搜索阶段。

The proposed algorithm consists of three processes, approximate search, descent search and subtle search.

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同时，虽然雅虎公布广告利润增长，但出现在搜索结果旁边的广告销量下降。

While Yahoo posted gains in display advertising, its sales from ads that appear next to search results dropped in the quarter.

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雅虎第三季度搜索收入下滑19%，展示广告收入下降8%，较第二季度14%的降幅有所好转。

For the quarter, Yahoo's search revenue declined 19% while its display advertising revenue fell 8%, an improvement from a 14% drop in the second quarter.

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