对声音进行数学分析，并随时间动态变化，将其减少至一系列泛音成分。
The sound is mathematically analysed and is reduced to its various overtone components in their dynamic evolution over time.
分析了各区的农村居民点用地空间分布特征及各乡镇的农村居民点时间动态变化特征。
The central villages are determined by analyzing the land spatial distribution and temporal dynamic change characteristics of rural settlements in different regions and different villages and towns.
利用该算法得到的分类规则，可以较好地反映条件属性集随时间动态变化对系统状态的影响。
The result of the algorithm can reflect the effect which the changes of conditional attributes make on the states of the systems.
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