道英寸的英文

tracks per inch

• 道:    road; way; route; ...
• 英寸:    inch; uncia
• 道英:    michihide

例句与用法

1. The track density is 48 tpi and the number of tracks is 77 .
   磁道密度是48道英寸，磁道数是77。
2. The track density is 48 tpi and the number of tracks is 77
   磁道密度是48道英寸，磁道数是77 。