data track

名词 data track:

1. (computer science) one of the circular magnetic paths on a magnetic disk that serve as a guide for writing and reading data
   同义词：track

1. In optical recording, refers to the areas of the data tracks which are between the pits. These are typically the areas not touched by the recording laser beam during mastering.
   在光记录技术中，指光道上两个凹槽之间的区域。在制作母盘时记录激光束不照射这些区域。参阅pit。