喂，接线员，我想挂个叫人电话到芝加哥， 电话号码是982-8674，但我不知道电话分区号码。
Yes, Operator. I'd like to place a person-to-person call to Chicago. The number is 982-8674, but I don't know the area code.
和其他许多国家一样，美国的的电话系统规定每个地区都有一个专门的号码，叫做“ 电话分区号码”。
Thee telephone system in the United States, as in many other countries, has a special number for each region of the country.
分区映射中的号码就是表所在的数据库分区的分区号。
The number at that location in the partitioning map is the number of the database partition where the row is stored.
分区映射中的号码就是表所在的数据库分区的分区号。
The number at that location in the partitioning map is the number of the database partition where the row is stored.
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