控制基质质量含水率在45%左右的条件下，用幂函数和线性函数预测基质电导率都获得了较高的精度。
When the water mass fraction of the substrate is about 45%, its EC can be predicted accurately by both the power function as well as the linear function models.
对路基质量的影响因素很多，公路病害问题也经常发生，但其中绝大多数还是由施工质量问题引起的。
Many of the factors affecting the quality of roadbed, road disease problems also occur frequently, but most of them are caused by the construction quality problems.
利用应力波传播理论探讨了桩基质量检测问题。
The problem of checking on the quality of pile foundations is studied by using the theory of stress wave propagation.
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