There are notable differences for the month, interannual and interdecadal change characteristics of three kinds of precipitation clouds and their circulation background and inducing systems.

三类降水云的月、年际和年代际变化特征及所对应的环流背景和影响系统具有明显的差异。

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And there are also relationships in the two areas: 1 For the interdecadal time scale, there is the same abrupt change both in the North Pacific and in the Tropical Pacific, especially in winter.

区域间主要联系为：1两个区域主要的年代际跃变点出现时间接近，这在冬季反映最明显。

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And there are also relationships in the two areas: 1 For the interdecadal time scale, there is the same abrupt change both in the North Pacific and in the Tropical Pacific, especially in winter.

区域间主要联系为：1两个区域主要的年代际跃变点出现时间接近，这在冬季反映最明显。

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