空间-时间分布 spatial-temporal distribution ; spatial temporal distribution
空间时频分布 spatial time frequency distribution ; spatial time-frequency distribution
空间时频分布矩阵 spatial time-frequency distribution matrix
修正空间时频分布矩阵 modified spatial time-frequency distribution matrices
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.
交易者将随着市场环境的变化，调整交易时间配置和空间分布的组合，以求达到交易成本最小化。
Along with the change of market environment, firms and merchants will adjust the time arrangement and spatial distribution combination of transaction in order to achieve the minimum transaction.
利用防城港市1965 ~ 2008年的大雾观测资料，分析了防城港市大雾空间、时间分布的基本气候特征。
Basing on the observational data of dense fog during 1965 ~ 2008 in Fangchenggang city, the temporal and spatial distribution characteristics of dense fog were analyzed.
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