People have deep and wide research in duality sequence. With the use of recent century algebra, people get a lot of duality sequences such as GMW sequence, No sequence, Bent sequence and so on.

• 二元序列的研究已经较为广泛和深入，人们运用近世代数的理论，得到了一批性能优越的二元序列，如GMW序列，No序列，Bent序列等。