惟一行标识是一个整型值。

The unique row identifer is an integer value.

youdao

第一行标识出要包括在查询结果集中的sql列以及查询中所引用的源表。

The first line identifies the SQL columns to be included in the query result set and the source tables referenced in the query.

youdao

第三行标识出 XML 数据的源 —— "contactinfo" 列。

The third line identifies the source of our XML data -- the "contactinfo" column.

youdao

So let me go ahead and pull up the staff solution 15 to the standard edition for a moment, the game is called 15, it takes one command line argument which is the dimensions of the board 3 by 3, 4 by 4, I'll do it 4 by 4.

下面我们继续,等一会儿，我会给出标准的解答，这个游戏叫做，有一个命令行参数，标识其大小是,3阶还是4阶，我选择4阶。

哈佛公开课 - 计算机科学课程节选