disk head [计] 磁头
- The head must also respond to the field faster, because a smaller bit on the rotating disk spends less time under it.
读取头对磁场变化的反应也得变快,因为磁碟转动时,小位元待在读取头下方的时间会变短。 - The portion of a moving data medium, such as a drum, tape, or disk, that is accessible to a given reading head position.
属于正在运动的数据媒体(磁鼓、带或磁盘)、于给定的读头位置可访问的那一部分。 - Tested and verified in practical optical pickup head, this lens can ful fill the requirement of digital versatile disk pickup systems.
经过实际应用,证明这种结构完全能够满足高密度光盘光学头的技术要求。
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