It was expounded that the characteristics of cumulative effects of the spatial and temporal scope, and that of colonial, systematic, cumulative, diffusible and potential effects.
阐述了累积效应的空间和时间表现特征，及群体性、系统性、累积性、波及性和潜在性影响效应特征。
While the program employing the law of the spatial and temporal effects can reasonably control the body's own soil stability, which is both economical and safe.
时空效应规律运用，能合理控制土体的自身稳定，既经济又安全。
While the program employing the law of the spatial and temporal effects can reasonably control the body's own soil stability, which is both economical and safe.
时空效应规律运用，能合理控制土体的自身稳定，既经济又安全。
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