regional code meaning in Chinese

大区区号
区域编码

Recordable dvd disks do not have regional codes such as dvd - video disks
A .可刻录的dvd内没有dvd - video光碟所具有的区域代码。
The data flow looks up regional codes for territories and writes the results to a dimension table in
数据流查找区域的区域代码并将结果写入
Is there a regional code regional restrictions in playback in dvd - rw or dvd - r disks similar to the commercially sold dvd - video disks
市场上销售的dvd - video光碟里的区域代码按区域限制播放，在dvd - rw dvd - r内有吗？