This paper analyzes migration situation in China based on the birth place data from the 2000 Census, it involves the matter of the size of the migration, change, rate, and move orientation.

基于2000年人口普查的出生地资料，分析了中国人口迁移态势，包括外地出生人口的数量、变动、比率和流动方向。

youdao

This data object has three properties that are all PHP strings: name, dob (date of birth) and pob (place of birth).

该数据对象有三个属性，均为php字符串：name、dob(出生日期)和pob(出生地)。

youdao