指出纬向梯度、经向梯度、全梯度矢量的昼夜变化与季节特性。
The latitudinal and longitudinal gradients, their diurnal variations and seasonal characteristics are dealt with.
造成南亚季风区经向温度梯度逆转的原因是下沉增温。
The reversal of meridional temperature gradient over South Asia is mainly a result of subsidence.
经向温度梯度的改变，直接影响到对平均经圈环流及西风急流强度的模拟。
The change of meridional temperature gradient influences the strength of the mean meridional circulation and the westerly jets directly.
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