Gustav landed as a secondary storm with a wind speed of about 175 kilometers per hour, and New Orleans is expected to be hit for several hours in a row.

古斯塔夫登陆时的强度为二级风暴，风速大约每小时175公里，预计新奥尔良将连续数小时受到冲击。

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We keep only a compound primary key and a secondary index for each row, and answer all queries from a single index.

我们只保留了一个组合主键和一个辅助索引来完成所有的查询。

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The linear building is centrally opened over a row of secondary rooms. The Entry is followed by a Foyer and a multi-purpose room which opens to the garden.

线性建筑中间由教室组成，入口后面紧接着的是一个前厅，还有一个向着花园打开的多功能房间。

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