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㏑1等于多少㏑0呢
更新时间: 2020-09-20 00:00:00  

ln1=0,而ln 0不存在。ln是log以10为底的对数,因为规定对数大于零。所以ln0不存在。

关键词: 等于 多少

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select * from tbl_Articles WHERE ArticleID=2439845 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2439845 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2439845 LIMIT 0,1
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