(但其他事务可读取锁定行)。

(Locked rows can, however, be read by other transactions).

youdao

各盘片上在无需移动磁头的前提下即可读取的磁道的集合称为柱面。

The collection of tracks on the various platters that can be read without moving the head is called a cylinder.

youdao

磁盘盘片在无需移动磁头的前提下即可读取的所有扇区组成一个磁道。

All the sectors on a disk platter that can be read without moving the head constitute a track.

youdao