查询词典 models

In Chapter 5, SIRS epidemical models with continuous and impulsive vaccinations are discussed. We find out reproduction numbers corresponding to those models.

在第五章，研究了具有连续预防接种和脉冲预防接种的SIRS流行病模型，在连续预防接种和脉冲预防接种下，分别给出了SIRS流行病模型基本再生数。

The heat transfer model, flow models and the physical equations, which are of small calculation error and less limit for the parameters used, are also considered as the subsidiary models.

本文还给出了一些辅助模型，主要包括考虑了适用于卧式蒸汽发生器的各种流型及自然循环等各种因素下的传热模型、流动模型以及精心挑选的参数覆盖范围大、误差小、计算方便的物性方程等等。

Furthermore, a content adaptive IMC algorithm in MCTF, composed of two estimation models, is put forth to reduce the ghosting artifacts. One model is based on characteristic of subbands coefficients for low activity region estimation, and the other is to estimate the MV accuracy in high subbands from the energy after ME. Artifacts, caused by inaccuracy ME or update step, can be reduced effectively by the estimation models.

根据小波变换的子带系数特性，建立了图像平坦区域的估算模型；根据运动估计后的高频子带能量，建立了运动估计准确程度的估算模型，从而实现了具有内容自适应特性的MCTF反向运动补偿算法，减小了ghosting伪影，克服了由于运动估计的不准确以及更新步骤可能导致的低频子带反向补偿误差。

With the investigation of the domestic and foreign literature systematically, the bases on the domestic and foreign present research and the comprehensive utilizations of the various knowledge of fluid mechanics in porous medium, reservoir engineering, mathematical physics, perforation completion, numerical simulation and so on, this article takes numerical simulation of gas reservoir of water solubility as the research aim which has completed following research works and obtained the corresponding research results: it analyzes the nature of the Water-soluble gas and formation water as well as the influent factors of the solubility through the study of massive materials; It establishes mathematical models three-dimension, the dual medium, the gas-water phase through the way of finite difference in the migration of water-soluble gas, which describes the entire process of release, migration and production in formation, where it considered the problems of variable bubble point; According to the numerical models of gas reservoir of water solubility it provides solution procedure that based on black oil model; It discovers that there will obtain the good effects in the lowly speed of development through simulation; the reinjection of formation water may largely enhance the produce degree of water-soluble gas when we consider reinjection in simulator; It considered the influence of perforated completion on development so as to increase the simulator"s versatility, It discovers that the simulator may reflect the conditions of development when we exanimate he simulator"s reliability with the empirical datum.

本文以水溶性气藏数值模拟研究为研究目标，在系统调研国内外文献、深入分析国内外研究现状的基础上，综合利用渗流力学、油气藏工程、数学物理方法、射孔完井以及数值模拟理论等多方面的知识，完成了以下研究工作并取得相应的研究成果；①通过对大量的资料调研，分析了水溶气、地层水性质、储层地质性质以及影响气体在水中溶解度的因素。②考虑到由于高压产生的大量水力裂缝，采用有限差分方法建立水溶气运移的三维、双重介质、气-水两相全隐式数学模型，该模型描述了水溶气在地层中的释放、运移和采出的整个过程。③在原有黑油模型的基础上，根据水溶性气藏数值模型编制了该数值模型的求解程序，该程序可以求解单重、双重介质两种情况。④通过模拟不同开采速度对水溶气开发效果的影响，发现开采速度较慢的时候可以取得较好的开采效果。⑤在模拟器中考虑了注水对水溶性气藏开发的影响，地层水回注可以大幅度提高水溶气的采出程度。⑥为增加模拟器的通用性，在模拟器中考虑了射孔完井方式对开采的影响。⑦检验模拟器计算的可靠性，发现在使用实验数据对水溶性气藏进行模拟时，模拟器可以很好的反映气藏开发的状态。

Those with detailed generator models and exciter models. Thus, this proposed method has two

型并利用QR 算法计算出系统低频振荡的结构性特征，第二步发电机采用详细模

The main idea of experientialism is that language reflects the concepts in human mind; our embodiment experiences help us achieve many kinds of cognitive models including conceptual metaphor, conceptual metonymy, image schema, and frame; these cognitive models are reflected in our linguistic expressions like the idioms.This paper focuses on three kinds of semantic motivations: metaphor, metonymy and general knowledge.

经验主义认知观认为语言反映了人们根据经验在头脑中形成的概念；人们根据共同的经验形成了各种各样的概念结构，包括隐喻概念，转喻概念，意象图示，框架，情景等，这些概念结构通过语言形式表达出来，成语就是其中一种。

This method employs the exponential pulse time series as input to excite CFD model, which can provide slick aerodynamic forces acting on the body through CFD simulation, Then discrete time aerodynamic models, defined among interesting range of frequency, can be trained based on the CFD input output relationship, those models can he implemented thereafter to simulate aerodynamic response for simple-harmonic input of displacement with suitable frequency.

该方法采用具有连续频谱分布且位移光滑的指数脉冲序列为CFD模型运动的输入，通过数值模拟得到作用在模型上的气动力。利用已知的输入和气动力建立起反映系统气动力特征的离散时间气动模型。

We should abandon all the present models and adopt models of extinguishment of essential substantive rights in our civil law about limitation of action.

我国关于诉讼时效法律效力的民事立法，应当抛弃所有既存模式，以完全的实体权利消灭主义作为选择。

The models in 2000, the model permits access to FAA and the industry today has become the most popular models.

该机型在2000年获得FAA的型号许可证，并在今天成为了行业中最畅销的机型。

Some computation models are established, including models of factor set, comment set and single factor matrix.

该方法利用把表征非均质特征的9个参数作为因素建立起模糊数学模型，主要包括因素集合、结语集合、单因素矩阵等模型。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。