求翻译：“十五”期间，中国就开始编制国家环境容量指标，国家环保总局制定环境容量总额，然后按年度分配给各省市区；各省市区再往各地市分解。每年环境容量指标都要往下削减。是什么意思？

"15" period, China began the preparation of national environmental capacity indicators, the State Environmental Protection Administration to develop the total capacity of the environment, and then assigned to the various provinces, cities by year; various provinces, cities and then further broken do

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“15” period, China starts to establish the country environmental capacity target, National Environmental protection Bureau formulates the environmental capacity total amount, then assigns according to the year for various provinces and cities area; Various provinces and cities area again toward vari

"15" period, China began the preparation of national environmental capacity indicators, State environmental protection agency environmental capacity total, and then by year allocated to the provinces, municipalities,; decomposition in the provinces around the urban area further to the city. Environm

正在翻译，请等待...