速率差 meaning in English

speed difference

For worst case scenario , difference between the data rate between write and read should be maximum
最坏情况下，读写数据间的速率差，应该为最大值。
A routine or storage used to compensate for a difference in rate of flow of data , or time of occurrence of events , when transferring data from one device to another
当数据从一个设备传送到另一个设备时，用于补偿数据流速率差或事件发生时间差的一种例行程序或存储器。