Also, we need to enforce special rules to duplicate the way T-SQL treats columns of bit data type.

同时，我们还需要强制实施特殊规则，以复制t - SQL处理位数据类型列的方式。

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With a bit of extra syntax, you can data type your variables for this.

增加一些语法，即可为此确定您的变量的数据类型。

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That allows packet senders to indicate what type of data is being sent, and packet receivers to learn a bit about a packet's data (called its payload) before digging into the data itself.

这允许包的发送方表明所发送的数据类型，也使包的接收方能够在研究数据本身之前对包的数据略有认识(称为有效负载)。

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