Axial compress expander forming has been used to production of high-grade thin-wall three-way connection made of red copper used for building and refrigeration.

The powder supply device is connected to the high pressure gas bottle via a three-way connection and a pressure pipeline.

供粉装置经三通接头及压力管路与高压气体瓶连通；

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The three-way cock can be used in the urban living gaspipe network, and can also be used for the water heater, in particular to back control water heater.

可用于城市生活煤气管网中，也可用于热水器，特别适用于后制式热水器。

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The three-way cock can not generate the off-state, and the safe running boiler can be ensured.

本三通旋塞不会产生截止状态，可确保锅炉安全运行。

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The paper has mainly studied the 3D object and complicated surface from three-view drawing.

在对曲面造型理论研究的同时，着重对工程三视图或复杂曲面三视图反求产品模型进行创新研究。

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Combined with the" three-view drawing intelligent solution", intelligent estimate technology was studied.

结合开发的《三视图智能解答》系统，研究其智能识别与判断技术。

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According to work way of parametric feature-based modeling, it makes manufactures how to use products model to reconstruct 3D objects, which can change traditional way of thinking and observing in designing from three-view drawing to modeling.

根据参数化特征造型的特点和工作方式，为企业如何利用这些现有产品的资源重建三维形体，从根本上改变传统三视图审视设计图纸的思维与观察方式。

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New spatiotemporal patterns including oscillating square pattern, modulated stripe pattern and spiral pattern have been found in a three-variable Brusselator model.

利用扩展的三变量布鲁塞尔模型，得到了新的时空斑图，其中包括振荡四边形斑图、调制条纹斑图以及螺旋波斑图。

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The three-variable model describing the heat convection process in the natural ventilation wet cooling tower is computed using central difference method, and realized with the language of VC++;

对描述自然通风逆流式冷却塔对流换热过程的三变量模型，利用中心差分法进行求解，计算过程利用VC++语言实现；

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Then we narrated probabilistic logic which is a method of uncertain reasoning based on logics and probability theory, and studied primarily the two-valued probabilistic logic and three-valued probabilistic logic.

然后讲述了逻辑学与概率论两大理论基础之上的不确定性推理方法&概率逻辑，重点研究了二值概率逻辑与三值概率逻辑。

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Firstly, the paper, through the introduction of several classical logics and non-classical logics, and then discussed emphatically the principle of universal logic and three-valued probabilistic logic.

本文首先对传统的几种经典逻辑和非经典逻辑大致做一介绍，然后重点讲述泛逻辑以及三值概率逻辑的基本原理。

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Topological Characterizations of Properties of Logic Theories in Three-Valued Propositional Logic System L_3

三值命题逻辑系统L3~中逻辑理论性态的拓扑刻画拓扑描绘字，拓扑描述符

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This paper gives a proof of the isomorphism theorem between C_B-algebra and Lu3-algebra. Furthermore constructibility of the Lukasiewicz three-valued logic algebra has been given by the two-valued logic algebra.

本文给出C B代数与Lu3代数同构的详细证明，并得到了Lukasiewivcz三值逻辑代数在二值逻辑代数上的可构造性。

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According to different partitions of a set of input variables of the three-valued logic function, the compatibility relations of column ( row) vectors of the three-valued logic function can be found.

根据对三值逻辑函数输入变量集合的不同划分，可以求出三值逻辑函数列（行）向量的相容关系。

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Hight's theory of complex disjunctive decomposition of incompletely specified Boolean functions is extended to the realm of incompletely specified three-valued logic functions.

Hight的不完全指定的二值布氏函数的复杂析取分解的理论推广到不完全指定的三值逻辑函数的领域中。

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Determinant algorithm of Sheffer function in partial three-valued logic

部分三值逻辑中Sheffer函数的判定算法

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A new CMOS three& valued logic system is discussed. Some CMOS three-valued logic unit circuits are designed.

本文探讨了一种新的CMOS三值逻辑系统，建立了一套完备的CMOS三值逻辑基本单元电路。

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A three-value parallel fault simulation system is described.

本文介绍了一个三值平行故障模拟系统。

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This paper puts forward an automatic centering, method which has the advantage of advanced circuitry with high reliability based on the analysis of auto centering mechanism of three-tube colour camera.

本文在分析三管式彩色摄象机重合校正的基础上，提出了一个电路先进、工作可靠、具有一定实用价值的新颍自动中心重合方案。

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Currently, large-scale database application systems mainly adopt three layer architecture which is composed of middleware. Middleware technology is the key technology to implement three-tier structure system.

当前大型数据库应用系统较多采用中间件构成三层体系结构，实现三层结构系统的关键技术是中间件技术。

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The British government has unveiled a three-tier lockdown system in a bid to slow a resurgent outbreak.

英国政府公布了三级封锁系统，以减缓疫情的再度爆发。

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