平均最高最低气温 mean maximum and minimum air temperature
美国每日最高最低气温 US Daily Max & Min Temp
最高和最低平均气温 maximum and minimum air temperatures
最高和最低气温 maximum and minimum air temperature
平均最低气温为21.2度，也是十一月份的最高纪录。
The mean minimum temperature of 21.2 degrees ranked highest for November.
分析了1951 ~ 2000年长江流域(上、中、下游)的平均气温、平均日最低气温、平均日最高气温随时间的变化趋势特征。
This paper analysed characteristics in the variation of mean temperature, the minimum temperature as well as the maximum temperature in the Yangtze River Valley over the period between 1951 and 2000.
平均最高气温在四季均不存在明显突变，而平均最低气温则均有突变。
There are no abrupt changes in the mean maximum temperature of four seasons but they can be seen in minimum mean temperature.
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