There are many applications in the construction, but the physical simulation experiment in the laboratory is rarely.
虽然，在施工中的应用很多，但是在实验室的物理模拟实验确是很少。
Through advanced physical simulation experiment, the performance of the water-swelling agent is evaluated, and then it is improved.
运用先进的物理模拟实验对水膨体性能进行了评价，并对其进行了改进。
Aiming at the influence effects of roof stratum on rock burst, the research methods of physical simulation experiment in laboratory, UDEC 4.
针对顶板岩层对煤体冲击的影响作用机理，采用实验室物理模拟试验、UDEC 4。
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