几个搜索引擎

google:  http://www.xiexingwen.com/

google学术: http://www.gycc.com/

yahoo: https://www.yahoo.com/

yahoo search: https://search.yahoo.com/

posted @ 2016-01-05 09:39  a ray of sunshine  阅读(140)  评论(0)  编辑  收藏  举报