磁带还有另一个优点，即将可便携的廉价介质与体积更大、成本更高的记录机器分离。
Tape also has the benefit of separating the portable and inexpensive storage medium from the larger, more costly recording machinery.
一种如磁带的介质，被选择用于记录数据，并常用来传送或交流数据。
A medium, such as magnetic tape, that is selected to record and often transport or communicate data.
磁带跟踪控制装置和方法，磁带格式，记录介质和程序。
Magnetic tape follow-up control apparatus and method, magnetic tape format, recording medium and program.
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