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Constant value of vena contracta coefficient has been employed in the well-used quasi-steady models for computing the nonlinear acoustic impedance of the orifice. However, this nonrealistic assumption degrades the accuracy of the theoretical models.

常用的小孔声学非线性效应的准定常模型采用不随声强变化的vena收缩系数，这种不合实际的假设影响了非线性声阻的计算精度。

Studying the models of thinning effects onstand is helpful not only to perfect the model system above and thus torealize the compatibility and linkage of the three types of models(whole-stand,size class and individual-tree),but to select the thinning in forestmanagement for intensive farming.

通过间伐效应模型的研究，不但有利于完善林分生长和收获预估模型体系，实现全林分、径阶和单株木三类模型之间的相容和联结，而且有助于森林经营中间伐体制的选取和集约化管理。

It is envisaged that the exploration of RC's rhetoricity, operativity and applicability may provide theoretical reference for the improvement of existing RC models and for the construction of further new RC models.

围绕模式的本位性、可操作性和适用性所作的探索可为已有修辞批评模式的改进和新模式的构建提供理论参照。

This paper is mainly comprised of two components:preparation of models of rats suffering from deficiency of spleen Yang;comparison of the pharmacodynamics impacts of different Lizhong Pills formulations made up by dried ginger or its different components in Lizhong Pills to the different groups of the models.1 Establish the model of deficiency of spleen YANG induced by " cypsum fibrosum and anemarrhenae " with complex factors1.1 ObjectivesWith using heat-clearing and fire-purging drug cypsum fibrosum and anemarrhenae,insteading of the common usage of rhubarb and folium sennae,accompanied with irregular diet and overstrained,the model of deficiency of spleen-YANG is to be established,which is much close to the pathopoiesis theory of " frigidity and chilly damaging yang,irregular diet injuring qi,overstrain impairing the spleen" in TCM.1.2 MethodsModel rats is fully fed every other day,given the molding drug of cypsum fibrosum -anemarrhenae(concentration 4:1) with 3 different frequency,and arranged to swim everyday in 25℃water until exhausted(performing as spitting bubble 3 times continuously or sinking unable to float by itself).

全文共分为脾阳虚模型的制备和干姜及其成分对理中丸药效学影响的比较两大部分。1&石膏-知母&复合法脾阳虚模型的制备1.1目的以清热泻火药石膏-知母代替常用的大黄、番泻叶类苦寒泻下药，并结合饥饱失常、劳倦过度的方法进行造模，以期建立更符合中医&寒凉伤阳、饥饱伤气和劳倦伤脾&致病思路的中医脾阳虚证候模型。1.2方法模型动物隔日足量喂食，每日在25℃水中游泳，直至大鼠连续三次吐泡下沉，或沉入水底，3秒内不能自行浮出水面，并以三种不同给药频率灌胃给予石膏一知母煎液，比较石膏-知母不同给药方法对制备脾阳虚模型的影响。

In this paper, the dynamic phenological models including temperature model, chilling model and others were outlined, among which, temperature model is drawn more concentration than the other models.

本文把动态物候模型分为3大类，温度物候模型、冷激物候模型和其它物候模型，阐述了每个模型的基本原理和假设，重点论述了常见的温度物候模型。

It presents test results of performance for three structural types of cement stabilized macadam including suspend-dense structure framework-dense structure and framework-pore structure, for two structural types of lime fly-ash macadam including suspend-dense structure and framework-dense structure, and for cement stabilized soil. By the probability analysis of Weibull on the results of fatigue test, the paper has a serial of fatigue prefigurative models. What's more, amends these models linking to the factual pavement performance.

在对三种结构的水泥稳定碎石(悬浮密实结构、骨架密实结构、骨架空隙结构)、两种结构的二灰稳定碎石(悬浮密实结构、骨架密实结构)、均匀密实结构的水泥稳定细料土进行室内三分点加载疲劳试验的基础上，采用威布尔分布理论对疲劳数据进行处理，得到各自的室内疲劳预估模型，并结合实际路面的情况对室内疲劳预估模型进行修正。

In order to support the assembly planning activities involving geographically dispersed designers, a Web-enabled supporting environment is proposed. The functional modules including client user interface, communication management, application services and information management are addressed in detail. By incorporating visual models at client side with assembly application models at server side, a prototypal system has been developed using VRML and Java-EAI techniques.

为支持分布式的装配规划活动，提出了协同装配规划网络环境的体系结构，研究了用户界面、通讯管理、应用服务和信息管理等功能模块，并结合虚拟现实建模语言表达的客户端产品显示模型和服务器端装配应用模型，采用Java-EAI等技术，开发了基於Web的协同装配规划原型系统。

Accordingly three DNA computing models, the solution-based model, surface-based model and the combination of solution and surface-based model, were presented to solve 0-1 programming problem in the study. The advantages of massive parallelism, high-density storage and potential robotization of solution-based and surface-based model were well embodied and their shortages such as timewasting operations and less massive parallelism were also avoided by all means in these models.

本文用DNA计算解决规划问题的研究中，对0-1 规划问题分别给出了基于溶液计算、表面计算和溶液表面结合计算的三类DNA 计算模型，分别强调了溶液计算的高度并行和高存储性，表面计算的高自动化程度等优点，并进一步利用溶液与表面计算相结合的方法来避免各自的缺点，突出其优点，生物实验对溶液与表面计算相结合的模型进行了验证。

Models and spreadsheets. I mean, at Salomon, they had all these models, and you know, they

糟糕的事情就是模型和电子数据表格，在所罗门，他们就有很多这样的模型和试算表，但正如你所知

I think I know my limits in terms of how much I can sort of process. And the worst thing you can have is models and spreadsheets. I mean, at Salomon, they had all these models, and you know, they fell apart.

我很清楚我的局限，我认为最糟糕的事情就是模型和电子数据表格，在所罗门，他们就有很多这样的模型和试算表，但正如你所知，他们垮了。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。