查询词典 strategic model

There is model error except differential model. The bisection model and equal turning angle model are equivalent each other.

除微分模型外，其它三种模型均存在模型误差，其中等分模型和等转角模型是等价模型。

This passage analyzes the advantage and disadvantage of the Boolean Model and the Vector Space Model in information retrieval model: the Boolean Model is simple to realize, but its classification ability is limited and the logic expression formula is strict.

本文分析了信息检索中传统文档特征表示的布尔逻辑模型和向量空间模型的优缺点：布尔逻辑模型虽机制简单、容易实现，但是它的分类能力有限且逻辑表达式过于严格；向量空间模型将文档映射到连续域向量空间，为进一步的权重计算等多元处理提供了基础，但容易忽略文档集合中各个文档的一些共有特征。

In this paper, we put forward a 2.5D model based on the hexahedron and developed an inversion method of constraint gravity-vertical fault. The inversion result is better than that the 2D model through the model tests. Based on this model, we quantitatively interpreted the Bouguer gravity anomaly of the Sierra Nevada Region in the USA.

本文从六面体模型出发，将二度体模型修改为似二度体模型，建立了一个带约束的重力－垂直断层反演模型，经过理论模型试验，证明效果要优于二度体模型的反演结果，在此基础上对美国内华达州的圣安德烈斯地区的布格重力异常资料做了定量解释。

On the base of analysis concerning Tianjing and Tanggo-Xingang soil properties and observation results of settlements, some rules of settlement of buildings in the area were obtained. Final settlements, settlements at end of construction and the time of final settlement were discussed. Tests used for determining paramcters of four models were introduced. The parameters in Duncan-Chang model are determined from isotropic consolidation test and the parameters in Gong-Xiannan model from Ko consolidation tests while the parameters in the model proposedin chapter 2 from the equal increment stress ratio test and ones in the bounding surface model developed in chapter 3 from the effective stress-path of CIU test.

根据天津市区及塘沽新港地区的地基土质情况以及沉降观测资料，分析了该地区建筑物沉降的一些规律，讨论了最终沉降量，完工时的沉降量以及沉降稳定时所需要的时间，介绍了确定各模型参数所需要的试验：Duncan—Zhang模型参数根据等向固结的三轴试验确定；龚晓南Ko固结模型根据Ko固结三轴试验确定；本文建立的非线性弹性模型根据等向增量应力比试验确定，边界面模型参数可根据固结不排水剪切试验的有效应力路径确定。

Thirdly, Through the introduction of the Burckhardt road model 、Gim tire model、bus brake model and Time-domain model of road roughness ,ABS system with a fuzzy controller based on the slip rate deviation and deviation rate of change was designed. The ABS system on account of impacts of air suspension and road roughness were analyzed, and its result showed that air suspension system and braking system need joint control.

第三，通过引入了描述单轮特性的Burckhardt的路面模型、Gim轮胎模型、客车制动器模型和时域路面不平度模型，并在此基础上设计了基于滑移率偏差和偏差变化率的ABS模糊控制器，对计及空气悬架和路面不平度影响的ABS进行了分析，进而说明了空气悬架系统与制动系统进行联合控制的必要性。

In Chapter 2, via generalize Rulkov's neural model,we analyse different dynamical behavior of the generalized Rulkov's model when the model's parameter is different,and we found there is a Canard in the model by numerical method.

在第二章中，推广了Rulkov的神经元模型，并且分析了在不同的参数范围内，该系统产生的不同的动力学行为。同时用数值模拟的方法发现该系统可以产生Canard解。

Our Company can provide you various series: XF modrl, Oak model, HITCHI model, MITSUB15HI model, over thin model and steel wire, steel belt canvas, ployamide fibre etc all kind of black various colour belt.

我们的扶手带已形成系列化，可为您提供：XF型、SWE型、SDS型、OTIS、OAK型、日立型、三菱型、超薄型，以及钢丝、钢带、帆布，锦纶布，各种规格的黑色，各种色标的彩色扶手带。

Methods Analgesic effects of Shengning suppository were observed with pain model mice by acetic acid or hot plate test. Antiinflammatory effects were studied with ear acute edema model induced by dimethylbenzene in mice and rat foot edema model induced by carrageen, and antipruritic action was observed with allergic pruritic model caused by histamine in guinea pigs.

采用二甲苯所致的小鼠耳廓肿胀和角叉菜胶所致大鼠足跖肿胀炎症模型，热板法和扭体法及磷酸组织胺的致痒试验，观察参宁栓的抗炎、镇痛、止痒作用。

According to the principle of quantum mechanics, exploringly presented the possible mechanism of large-scale expansion at forepart of earth, quanta earth tectonic dynamic mechanism formed from super solid state of centrosphere material, presented the integral tectonic criterion in the process of evolution of earth system considering potential of quanta, potential energy of gravitation and heat energy as a result of special state of matter of centrosphere.③Established the evolutional model of finite nonlinear expansion to of integral tectonic dynamic of earth expansion., presumed and gived the skeleton model of original forepart earth before expanding. Applying the universal large scale finite element software, for the first time considered heat power and self gravitation in the same model of tectonic dynamic model simultaneously.

较系统地讨论了地球膨胀整体构造动力的若干基本理论问题：①分析汇总了地球演化产生、积累和以各种形式损耗的总能量，根据考虑引力势能与热能的维里定理，对现时地球整体动力状态进行判断；②根据量子力学原理，探索性地提出地球大规模膨胀的可能机制——地核物质超固态形成量子简併压强产生的动力——地球量子动力，给出了考虑地核特殊物态的量子势能、引力势能和热能的地球系统演化过程中的整体动力状态判据；③建立了地球膨胀整体构造动力的非线性有限膨胀演化模型，推测给出膨胀前早期地球的轮廓性模型。

Based on the analysis of interactions between different systems in the network, it is proved that, for a class of complicated linear switched system network, an equivalent model of ordinary linear switched system exists and the corresponding model is given.(4) Block simulation model of linear switched system is established in Matlab/Simulink environment and, moreover, a linear switched system simulation tool with the function of model automatic generation is developed. With the aid of this simulation tool, influence caused by switching sets on stability characteristic of linear switched system is investigated.

对线性切换系统网络中各系统之间的交互作用作了分析，在此基础上证明了一类复杂线性切换系统网络可用等价的线性切换系统模型来表示，并得到了该等价模型；（4）在Matlab/Simulink环境下建立了线性切换系统的框图仿真模型，并进一步开发了具备模型自动生成功能的线性切换系统仿真工具。

The use of the web to spread fears that flicking the switch on the LHC could create a Black Hole that could swallow up the Earth particularly concerned him, he said.

他说，使用互联网散布恐慌说启动LHC会生成一个可能吞噬地球的黑洞的做法让他感到忧虑。

Not a single word have I written down.

我一个字也没有写下来。