The database ( songs, etc ) and the web portal should be in separate layer allowing more flexibility.

该数据库 ( 歌曲等 ) 和门户网站应该允许更多的灵活性,在不同的层.

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The distribution of separate layer injection intensity appears lognormality, and the variable coefficient is one constant.

分层注水的层段注水强度服从于对数正态分布, 并且其变异系数为一常数.

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