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磁道密度
1、benzene density───苯密度
2、track───vt.追踪；通过；循路而行；用纤拉；vi.追踪；走；留下足迹；n.轨道；足迹，踪迹；小道
3、phonolite density───响岩密度
4、density───n.密度
5、lineament density───线理密度
6、fayalite density───辉绿岩密度
7、gabbro density───辉长岩密度
8、tapped density───[冶]振实密度
9、liquid density───液体密度
1、Readback voltage of perpendicular recording for high track density with ring-type head is theoretically calculated, and rcadback noise is analysed.───理论上对高道密度垂直磁记录环形头读出电压进行了计算，并对道间串扰进行了分析。
2、Track density can be greatly enhanced by employing optical servo technology in a disk drive.───在磁盘驱动器中借助光伺服技术可以大幅度提高道密度。
3、Along with the increase of the track density of hard disk, the accuracy of servo track writing and the difficulty of servo track writing are increased.───随着硬盘道密度的不断提高，对伺服信息刻写的精度要求进一步提高，增加了伺服信息刻写的困难程度。
4、This paper presents a systematic method for the design of track seeking and following servo controller of high track density optical disk drive.───本文针对高轨道密度光碟机的寻轨伺服与定轨伺服控制问题，提出一个XiTong化的设计方法。
5、Mini Piezoelectric Actuator for Rigid Disk Drives with High Track Density───高密度硬磁盘用小型压电致动器
1、Along with the increase of the track density of hard disk, the accuracy of servo track writing and the difficulty of servo track writing are increased.
2、Readback voltage of perpendicular recording for high track density with ring-type head is theoretically calculated, and rcadback noise is analysed.
3、The paper proposes a kind of recognition method, which combines track density recognition algorithm with level feature recognition algorithm, and it is very effective for offline irregular number.
4、Theoretical analysis of read back process of high track density perpendicular recording single - pole - head are presented here.
5、This paper presents a systematic method for the design of track seeking and following servo controller of high track density optical disk drive.
6、The track density is 48 tpi and the number of tracks is 77.
7、Track density can be greatly enhanced by employing optical servo technology in a disk drive.