当模型复杂且非线性时（换句话说，在线性方式下参数不共变），或者当模型涉及多于两三个不确定参数时，使用该方法。
The method is used when the model is complex and nonlinear (that is, parameters do not co-vary in a linear manner), or when the model involves more than just two or three uncertain parameters.
这场盛大的展览共展出了400多件上世纪的经典设计作品，其中包括椅子、灯、建筑模型、画作、照片和电影等。
The ambitious exhibition features more than 400 objects including chairs, lamps, architectural models, paintings, photographs and films.
强化干预组终止实验前共随访3.4年(中位数)，用多变量模型分析此期间数据。
Data obtained during 3.4 (median) years of follow-up before cessation of intensive treatment were analyzed using several multivariable models.
与经典的最小二乘法相比，共优点是能有效地抑制非整次谐波误差对模型参数估计的影响。
Comparing with the least squares method, the advantage of this approach in that the influence of non-integer harmonic errors on the estimate of model parameters has been effectively restricted.
该团队同样用改良的麻疹病毒感染髓母细胞瘤的鼠移植瘤模型，隔日注射一次，共10天。
The team also administered the modified measles virus to mouse models of medulloblastoma, administering treatment every other day for 10 days.
目的：针对大气污染与健康关系研究中拟合广义可加模型时的共曲线性现象进行研究并试图减小其影响。
AIM: To explore the effect of concurvity of generalized additive models (GAMs) in the study of air pollution and human health and to diminish the influence of concurvity.
目的：建立体外研究精原干细胞与支持细胞共培养的细胞模型，探讨体外精原干细胞在支持细胞层上的增殖特点。
Objective: to construct cell model of spermatogonial stem cells (SSCs) with Sertoli cell layer in vitro, and study the proliferation characteristic of SSCs in vitro.
介绍了一种先进的共格沉淀动力学模型，以及运用计算机对镍基合金共格沉淀过程组织演化模拟取得的进展。
This paper introduces an advanced model of coherent precipitation kinetic as well as the development of computer simulation for the microstructure evolution of Ni-based alloys.
目的：建立有色实验兔真菌性角膜炎动物模型，角膜共焦显微镜进行早期诊断。
AIM: To establish a rabbit model of fungal (aspergillus) keratitis and evaluate the role of confocal microscopy in early diagnosis.
针对高压共轨喷油器内部非稳态流动现象，建立起瞬态流动的物理数学模型，采用模块化分析方法进行了瞬态数值模拟。
The mathematic model of the transient flow was set up to study the unsteady flow phenomena in the high-pressure common-rail injector.
文中给出了用单程波动方程法对一个复杂地质模型形成8个共炮点地震记录的例子。
The paper gives an example of 8 common shot seismic gathers for a complex geological model by using o.
分析了两种不同模型的自由空间中非对称面西线，其共形变换技术得到了线电容的严格解；
In this paper, asymmetrical coplanar lines in free space are analyzed using two conformal mapping models, and the exact solutions for the basic parameters of the lines are obtained.
结果：所构建髋臼模型共划分为121 239个结点、112 491个单元，客观反映髋臼真实解剖形态及生物力学行为。
Results: the constructed 3d acetabular model was clearly reflected the real acetabulum anatomy and biomechanical behavior, it was divided into 121 239 nodes, 112 491 units.
论文共分为两大部分：第一部分是构建新的教师知识结构模型。
This paper is divided into two parts:The first one is to found new teacher knowledge structural model.
文中提出了“等效环”的概念，把旋转对称面上不等元分布共形阵等效为等元分布的情形，简化了共形阵的物理模型。
The concept "equivalent ring" simplifies the array model in the method of equating arrays with unequal elements to arrays with the same elements in each ring.
分析证明这一模型对机载共形相控阵天线的设计具有重要应用价值。
Analysis has proved that these models are important to the design of the antenna array which is located on the side of the aircraft conformally.
推导了基于零件条件失效概率分布的共因失效概率模型；
A model for common cause failure probability was derived based on the distribution of the conditional failure probability of components.
此外，还提出了表示这一深度范围的共混物形态结构模型。
In addition, models are presented for the morphology of the blends of this depth.
本文共分为六部分，包括绪论、文献综述、理论模型、研究设计、数据分析和结论建议。
There are six main parts in this thesis, including introduction, literature review, research model, research design, data analyses and suggestion.
该系统采用的是基于UML模型的迭代增量式开发过程，共分为分析、设计、实现、测试和配置等几个阶段。
The system applied a development process with iterative and increment based on the UML model, consisted of analysis, design, implementation, testing and deployment etc.
重点介绍了共混型热塑性弹性体形变机理的几种模型，包括不均匀变形、有限元模型、微孔模型等。
The deformation mechanism of thermoplastic elastomer, such as inhomogeneous deformation, finite element method and microcellular model, was discussed on emphases.
基于流变学原理和质量传递原理的分析，建立了一个能够描述渐变型聚合物光纤(GIPOF)共挤扩散制备过程的数学模型。
Based on an analysis of rheology and mass transport principle, a mathematical model was formulated for describing the co-extrusion and diffusion process of graded index polymer optical fiber (GI POF).
并对此模型进行了场论推导，应用共形场论结果给出关系的理论解释，建立了模型的共形场论。
A simple derivation of the field theory of the model is also made and the calculation results are explained with conformal field theory.
以过冷凝固条件下已有的共晶生长理论模型为基础，考虑了快速非平衡凝固条件下会出现溶质截留现象，探讨溶质截留对生长过程的影响。
Considering the appearance of solute trapping in non-equilibrium rapid solidification, its effect of solute trapping on the growth process was discussed basing on the existent eutectic models.
得出了共模干扰传播通道的简化模型，该模型的传递函数特性主要由数值较大的杂散参数决定。
The simplified common mode model of coupling paths is also built and its characteristics are mainly influenced by those biggish stray parameters.
本论文首先以扩展不可逆热力学和“二流体模型”为基础建立了一个首次综合考虑了热力学和流体力学因素的剪切场下高聚物共混体系相行为的模型。
Within this dissertation, both thermodynamical and hydrodynamic effects of shear are considered, for the first time, in the modeling of the shear-induced phase behavior of binary polymer blend.
根据研制的中压共轨电控可变气门系统机构的工作机理，建立了中压共轨电控可变气门系统的仿真模型，试验证明其精度达到了93 % 。
On the basis of the principle of a middle pressure common rail electronically controlled variable valve system, a model has been built for modeling the system and its accuracy achieves 93%.
利用单相枝晶状共晶的熔断模型，解释了过冷熔体形成异常粒状共晶团的形成原因。
The reason of formation of anomalous eutectic group can be explained by the model of single dendritic eutectic phase growth and fusion.
采用相场模型对共格沉淀析出过程微观结构演化进行模拟研究。
The effect of elasticity on the microstructure evolution of alloys containing coherent precipitates was studied by phase field model.
采用相场模型对共格沉淀析出过程微观结构演化进行模拟研究。
The effect of elasticity on the microstructure evolution of alloys containing coherent precipitates was studied by phase field model.
应用推荐