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

商业银行提供的实时外汇买卖业务系统中所采用的汇率是以一种实时线到达的、易失的、无限的方式获得的数据。

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移位寄存器“74164”宏单元,将一路数据分两路。