disk mark

例句：

1. 1. The disk mark on the computer is a unique feature of this model.
   电脑磁盘标记是这款模型的独特特征。
2. 2.The disk mark was made by a skilled technician.
   磁盘标记是由一位熟练的技术人员制作的。
3. 3. The disk mark helps to identify the location of the data on the disk.
   磁盘标记有助于识别磁盘上数据的位置。