A good forecast result has been concluded with a topological prediction model of gray system theory based on the observation data of ground water table in Lanxi County.
地下水枯水期水位预报对春季农业生产具有重要意义，利用兰西县地下水水位观测资料，应用灰色系统理论的拓扑预测建立模型进行预测，取得了较好的结。
The indices of the total population and cultivated land in Heze District is predicted by using the model of GM(1,1), and the total food output is forecasted based on the topological prediction model.
利用GM（1，1）模型预测了菏泽地区的总人口和耕地面积，用拓扑预测模型预测了其粮食总产，并对三者进行了关联度分析。
The topological forcast actually is a prediction of GM(1, 1) model groups.
拓补预测实际上是GM（1，1）模型群的预测。
Molecular descriptors, which describe the topological, electronic, and geometric features of a molecule, have been routinely used in computational prediction of drug properties.
分子描述符描述化合物的拓扑、电子和几何特征，在预测药物性质中广泛应用。
Molecular descriptors, which describe the topological, electronic, and geometric features of a molecule, have been routinely used in computational prediction of drug properties.
分子描述符描述化合物的拓扑、电子和几何特征，在预测药物性质中广泛应用。
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