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禁止用手触摸光学头。
分析了加固型可摄重写分离式光学头的基本工作原理。
The basic principle of a detached type erasible and rewritable reinforced optic head is analyzed.
其读写系统使用了飞行式光纤光学头,极大程度地降低了平均寻道时间。
By the use of the fiber optical head, the average access time of the storage system is decreased effectively.
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