To the avionics of fibre channel(FC) interconnection, based on the basic FC interconnection model, three fault tolerance topologies are given: loop-to-loop, switch-to-switch and switch-loop.
对于采用FC（光纤通道）网络的航空电子系统，从FC的基本模型出发，给出了三种具有容错能力的常用拓扑结构：双环结构、双交换机结构和交换机仲裁环组合结构。
Based on the study of designing pattern of multi-dimensional data model, three designation methods are pointed out.
研究了多维数据模型的设计模式，给出了三种主要的设计方法。
With the model, three dimensions FEM rheology analysis to Xia Liujia is finished, and the stress at different time distortion rule are gained, the long-term work character is forecast.
最后用该模型对下六甲面板堆石坝作了三维有限元蠕变分析，得到坝体在不同时期的应力及变形规律，预测了坝体长期的工作性态。
In theoretical investigations, elastic strain energy method, fiber inclination model, three cells model and finite element model etc. are introduced.
在理论研究方面，介绍了弹性应变能法、纤维倾斜模型、三细胞模型和有限元模型等工作。
According to spatial levels, water quality model may be divided into one dimension model, two dimension model, three dimension model, watershed model and model system.
水质数学模型的研究按照空间层次可以划分为一维、二维、三维模型和水系模型、模型系统。
Based on the three-lager model, three parameter inversion is carried out for the electromagnetic wave logging.
针对三层地质模型，进行了电磁波测井三参数反演方法研究。
Based on the three-lager model, three parameter inversion is carried out for the electromagnetic wave logging.
针对三层地质模型，进行了电磁波测井三参数反演方法研究。
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