文件名称:The-quantity-of-the-Air
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对2006年度全国80多个城市的每天空气质量状况进行查询、排序等操作。
空气质量状况对象包括城市代码、城市名称、首要污染物、污染指数、污染物级别、空气状况、年、月、日
普通查询、统计查询、排序查询三种查询-For 2006 more than 80 cities nationwide daily air quality status query, sort, and other operations. Including urban air quality status object code, city name, the primary pollutant, pollution index, pollutant levels, air condition, year, month, day general queries, statistical inquiry, sorting query three kinds of queries
空气质量状况对象包括城市代码、城市名称、首要污染物、污染指数、污染物级别、空气状况、年、月、日
普通查询、统计查询、排序查询三种查询-For 2006 more than 80 cities nationwide daily air quality status query, sort, and other operations. Including urban air quality status object code, city name, the primary pollutant, pollution index, pollutant levels, air condition, year, month, day general queries, statistical inquiry, sorting query three kinds of queries
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下载文件列表
data.txt
TestData.txt
空气质量查询.cpp