The latitudinal and longitudinal gradients, their diurnal variations and seasonal characteristics are dealt with.

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。

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The latitudinal and longitudinal gradients, their diurnal variations and seasonal characteristics are dealt with.

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。

youdao