在历史数据及统计资料的基础上加以确定，如振动量和磨损量等。
... quantitative filter paper 定量滤纸 quantitative forecast 定量预报 quantitative formation evaluation 定量地层评价 ...
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Secondly, the quantitative forecasting model is established based on changing output node. Finally, conclusions are drawn by combining qualitative and quantitative forecasting results.
利用人工神经网络灵活多变的拓扑结构和强大的非线性逼近能力,基于前期物理影响因子分析作为输入量,通过改变输出节点的个数,先建立定性预报模型,然后在定性预报的基础上建立定量预报模型,最后综合定性预报和定量预报的结果得出结论。
参考来源 - 中长期水文预报及其在平原洪水资源利用中的应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
本文介绍了太阳质子事件的性质、能谱特征以及国外质子事件定量预报的方法，并作了一定的评述。
The statistical property of the solar proton events, the characteristics of energy spectrum and the methods abroad in the quantitative forecast of the solar proton events are reviewed.
分析表明，预报系统不仅能定性预报沙尘天气的空间分布与时间演变，而且能定量预报沙尘源地、大气中的沙尘浓度、沙尘的输送以及沉降。
Analysis shows that the system not only can quantitatively predicate the spatial distribution and temporal change of the dust, but also the source, density in the air, transfer and deposition.
定量降水预报的实现是天气预报由定性走向定量的重要标志。
The realization of quantitative precipitation forecast is an important mark of qualitative toward the quantitative weather forecast.
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