夜间人口 meaning in Chinese

night population

The national census in 2000 lists the daytime population of tokyo as 14 . 667 million people , which is 2 . 650 million more than the nighttime population figure of 12 . 017 million
根据2000年国情普查的数据：东京白天的人口为1466 . 7万，比夜间人口的1201 . 7万多出265万人，白天人口是夜间人口的1 . 2倍多。
This makes the daytime population 1 . 2 times more than that of the nighttime population ; the daytime population index is 122 against the nighttime population taken at 100 . this difference is caused by the population of commuting workers and students , constituting a daytime influx from the three neighboring prefectures of saitama , chiba and kanagawa
以夜间人口指数为100 ，白天人口指数就是122 ，这个差别是由通勤的学生和工薪族所引起的，来自三个邻县?玉千叶和神奈川的人口构成了白天的流动量。