The long-term variation characteristics of annual mean air temperature, annual mean maximum and minimum air temperature and mean daily range from 1932 to 2002 in Lanzhou are analyzed.

分析了兰州1932～ 2 0 0 2年年平均气温、年平均最高和最低气温及年平均气温日较差的气候变化特征。

youdao

And the solar short wave radiation, net long wave radiation and ocean heat flux are all used with a daily mean for every time step based on the sea ice mid-short range variation characteristics.

并在考虑海冰中短期变化规律的基础上，对太阳短波辐射、净长波辐射及海洋热通量，提出以日平均量代替一个时间步长内的平均来进行处理的方法。

youdao