然后对此范围内SST距平的时空分布特征进行分析，得出其分布型及随时间的演变。

Based on the analysis of the time-space distribution features of SST anomaly, some space distribution patterns and their evolution with time are obtained.

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根据非线性振荡理论和昆明地区的非线性振荡方程研究了昆明地区降水距平率系统演变的非线性特征及其演变规律。

According to the nonlinear oscillation theory and the obtained equation, the nonlinear characteristics and evolution law of Kunming precipitation anomaly system were studied.

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