利用多种模型与指数分析了平度市1990～2004年土地利用的时空演变特征。
The spatiotemporal change characteristics of land use of Pingdu County during 1990~2004 have been researched by some models and index.
利用模糊聚类的方法，分析了冬、夏季全太湖有色溶解有机质(CDOM)的吸收系数谱的时空演变特征。
Characteristics of coloured dissolved organic matter (CDOM) between the summer and winter in Taihu Lake were analyzed using an fuzzy clustering method.
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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