The time and spatial effects of excavation considering variation of seepage free surface outside of foundation pit were further investigated.
进一步研究了考虑坑外渗流自由面随时间变化的基坑工程时间效应和空间效应。
The time and spatial effects of excavation considering the variation of water head difference between the inside and the outside of a foundation pit were then investigated.
研究了考虑坑内外水头差变化时的基坑工程时间效应和空间效应，并与不考虑坑内外水头差变化的情况进行了对比。
By experience orthogonal function analysis and wavelet analysis on chilling damage indices, it showed spatial-temporal variation in the regulation and multiple-time-scale characteristics.
在此基础上对低温冷害指数进行经验正交分解和小波分析，得到其时空变化规律及多时间尺度特征。
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