Based on a loading model for shield tunneling and the concept of gap parameter, the mechanism and a prediction method of shield tunneling-induced ground movements are introduced.
基于一种盾构加载模型并引进间隙参数的概念,对盾构隧道周围土体位移的机理及预测方法进行了总结。
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Two methods were applied to fit surfaces of the tetrahedral gap of an intermeshing co-rotating twin-screw extruder. The surfaces are irregular border's parameter domain.
文中利用了两种对非规则边界参数区域进行拟合的方法，对同向双螺杆挤出机四面体间隙进行了拟合，并建立了一种曲面拟合误差测量的新方法；
And much attention is paid to the spark gap device, whose fundamental structure, parameter requirements, working mechanism amd characteristics are discussed in detail.
较为详细地介绍了电花隙器件的基本结构、参数要求、工作机理和特性。
The effect obviously is changed with welding time, and the effect of gap on shape of molten pool is analyzed as well as the rule of different parameter on the change of molten width is obtained.
分析了间隙对熔池形状的影响，得出不同工艺参数对熔宽变化的影响规律，并分析了电孤形态差异对接头的影响。
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