当然，这意味着北半球冬季和南半球夏季的开始。
Of course, the December solstice marks the beginning of winter in the northern hemisphere and summer in the south.
本文研究了北半球冬季大气环流结构对CO_2温室效应的响应特征。
In this paper, the response characters of general circulation structure to CO2 greenhouse effect in northern hemisphere during winter arc studied.
观测和模拟结果都表明，在北半球冬季准定常行星波的经向传播存在两支波导。
Both observations and simulations indicate that in the Northern Hemisphere winter there are two waveguides for the meridional propagation of quasi-stationary planetary waves.
应用推荐