Operation of a tape deck in a mode where the tape unit receives or transmits information at a rate slower than the computer is capable of supplying or accepting it. ( Tape moves continuously without stopping in the interblock gaps ).

• 一种磁带机操作方式，在这种方式下，磁带机接收或发送信息的速率低于计算机能发送或接收信息的速率(带连续地移动，而不在块间隔中停止)。