大量桩筏基础下存在较厚的饱和软弱下卧层，其变形和内力的研究不仅涉及到筏板、桩和土三者之间的相互作用，而且还跟时间有很大的关系。
Research for the deformation and internal forces of piled raft foundation on a thick soft substratum are concerned with not only the interaction between pile, raft and soils but the also the time.
两个相同平板的双电层交叠造成的作用力，传统的直接计算法给理解板的具体受力情况带来一些困难。
The traditional direct calculation method of the double layer interaction force on two similar plates brings some difficulties for understanding of specific forces on plates.
矿床的形成是在板溪群矿源层的基础上，经构造—变质作用的改造富集而成。
The deposits were formed on the foundation of the source beds of Banxi Group through reworking and enrichment of structural metamorphism.
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