In the Foreign Exchange Investment Business of commercial banks, exchange rate is a kind of online, losable, limitless data stream.

在各商业银行提供实时外汇买卖业务系统中所采用汇率是以一种实时在线到达、、无限方式获得数据。

The first method is that a series connection-input and parallel connection-output macrocell of register “74164” is adopted,which divides one part of data stream into two parts.

首先,使用了一个串入并出存器“74164”宏单元,将一路数据分成两路。