Then 3 indexes for quantifying water carrying capacity were introduced, including water quantity index, population index and social comprehensive index.

在此基础上，介绍了水资源承载力的三种度量指标，即水量指标、人口指标和社会综合类指标；

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At the same time, a new complex population index is suggested to measure the level of urbanization. So the level of urbanization was 31.12 percent in 1998 in Chongqing.

同时还提出了新的衡量城市化水平的复合人口指标，认为1998年重庆城市化水平应该是31.12 %。

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The population size was chosen to be 256, because that way it was easy to initialize every individual to a number equal to its index.

取大小为 256 的人群，原因是这样便于把个体都初始化成一个与其序号相等的数字。

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For example, if 20 percent of check engine light problems reported came from a certain vehicle but it made up only 10 percent of the vehicle population it would have an index of 2.00 (20 percent divided by 10 percent).

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Kauffman bases its entrepreneurial activity index on a monthly population survey jointly sponsored by the Census Bureau and Bureau of Labor Statistics.

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The third Congestion Index examines the congestion in 57 metropolitan areas with a population of more than 950, 000, and found Los Angeles continued to be the most congested city in North America.

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