表面髋关节置换模型分为三维六面体单元165 886个，节点213 343个。
The model included 165 886 hexahedron elements and 213 343 nodes.
置换组是可兼容内容模型交换元素的机制。
Substitution groups are a mechanism for swapping elements of compatible content models with each other.
结论：通过CT断层扫描、图像数字化处理及计算机辅助设计等方法，可以建立腰椎人工椎间盘置换的有限元模型，用于脊柱生物力学的进一步研究。
CONCLUSION: the finite element model of artificial disc replacement can be established by CT scanning, digital processor and computer aided design, and used for further study on spinal biomechanics.
本文建立两相连房间点热源作用引起的置换自然通风模型，将室内垂直温度分布简化为上、下两个均匀混合区域。
This article established displacement natural ventilation model caused by point heat source of two joined rooms. The room vertical temperature profile was simplified as two uniform zones.
目的：建立腰椎运动节段人工椎间盘置换的有限元模型，用于进一步的生物力学研究。
OBJEC TIVE:To establish finite element model of lumbar disc replacement for biomechan ical studies.
通过建立一模型房间，从室内空气温度分布、PPD、悬浮颗粒分布及CO2浓度几方面模拟研究了置换通风条件下室内空气品质。
From the aspect of temperature diffuse? PPD? Aerosol distribution and CO2 concentration, the IAQ of a room with displacement ventilation by constructing a model of room are simulated and studied.
采用置换矩阵，验证了契约关系模型理论构建与现实运作间的关联关系及系统的同构性。
Applying permutation matrix, the association and the system isomorphism between contractual relationship modeling in theory and its operation in practice were verified.
结果表明，在所用分组密码是伪随机置换的条件下，方案在分块适应性攻击模型下是可证明安全的。
Investigation shows that the scheme is provable security under the blockwise adaptive attack model if the underlying block cipher is a pseudorandom permutation.
目的观察置换肽（A PL）对豚鼠银屑病样模型表皮增殖的治疗作用。
Objective To investigate the therapeutic effect of APL on epiderm proliferation of psoriasis-like model of guinea pig.
通过数学模型获得了富氧喷煤高炉参数的变化，计算结果表明，随着喷煤量的增加，置换比将会降低。
The change of blast furnace indices with the oxygen enrichment and PCI were obtained by a mathematical-simulation, which indicates that the replacement ratio will decrease with increasing of PCI rate.
基于这一模型，设计了一个称为基于全非奇异矩阵的代替置换网络的密码结构。
Based on this model, a new crypt structure called completely nonsingular matrix based substitution permutation network is designed.
目的建立人工髋关节置换术后的三维有限元模型，分析研究人工股骨柄、骨水泥和人体股骨的应力分布。
Objective a three dimensional finite element model after total hip replacement was established to analytically study the stress distribution of the artificial stem, bone cement and human femur.
本文在实验模型的基础上，经简化建立了有三个污染源的置换通风三维稳定传热、流动的物理模型和数学模型。
Based on experimental models, the paper sets up three-dimensional steady heat transfer and flow physical model and mathematical model on a three polluting heat sources after simplification.
论文提出了一种基于矩阵的代替置换网络模型。
This paper proposes a matrix based substitution permutation network as the model of block cipher.
另外，本文还建立了目前文献中还未出现的置换塔模型，与聚合釜模型一起，构成了整个聚合单元的完整数学模型。
Furthermore, the displacement column model is built, combined with the model of the CSTR model, they have made up of the total polymerization unit model.
利用置换群方法研究了具有邻近相互作用的一维海森堡自旋12开链模型。
A permutation group approach to a one dimensional Heisenberg open spin 12 chain with nearest neighbor interactions is studied.
无论何种模型的植入生物瓣膜，主动脉瓣置换术的主要目的是改善血流动力学状况。
Regardless model of implanted bioprosthesis the primary purpose of aortic valve replacement is to improve hemodynamic conditions.
对圆度误差评定理论及应用进行了探讨 ，构造了圆度误差数学模型 ，利用置换算法按最小条件求得圆度误差 。
This paper makes use of the computerized permutation method in the calculation of roundness error fitting the minimum conditions.
通过建立界面扰动模型，推导了三元固态置换反应系界面稳定性的化学势梯度判据。
A new interface-perturbation model of ternary system is suggested and the interface-stability criterion is derived in the form of chemical potential.
就像在创造《虚拟最后审判》时一样，缪晓春把画面中所有的人物都置换成了以他自己的形象为模型的一个单一的三维数码形象。
Just as in his creation of the Last Judgment in Cyberspace, Miao Xiaochun has replaced all the figures in these paintings with a single 3-d digital image of himself.
结果与结论：建立了表面髋关节置换术后三维几何和有限元模型。
RESULTS AND CONCLUSION: The three-dimensional geometry and finite element model of surface hip arthroplasty was established.
建立起表面髋关节置换术后的三维有限元模型。
So the three-dimensional finite element model of surface hip arthroplasty was established.
结论：模型置换法所制作的下颌游离缺失混合支持可摘局部义齿临床效果好。
Conclusions: Designing and fabricating removable partial dentures by altered-cast impression was recommended.
结论：模型置换法所制作的下颌游离缺失混合支持可摘局部义齿临床效果好。
Conclusions: Designing and fabricating removable partial dentures by altered-cast impression was recommended.
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