If E is a nonzero burst-error vector, its burst pattern is the string of symbol beginning with the first nonzero symbol in E and ending with the last nonzero symbol.

• 如果E是一个非零突发差错矢量，它的突发图样就是一个从E中的第一个非零符号开始、到最后一个非零符号结束的符号串。