| 释义 |
tape leader 带首;[带头] The part at the beginning of a reel of magnetic or punched tape that is often left blank to permit for initial threading or to hold some sort of marker or code to show the nature of the data stored on the tape. Holes, notches, other magnetization, and so on, are used for such purposes. 一卷磁带或纸带的开始部分,经常留有空白以便在端部进行卷带,或者包含某种标记或代码 以指出在带上存储的数据的性质。带首可采用孔、缺口或某种特殊磁化记号来表示。 |