By the solution of the model, a calculating formula of the local dihedral angel of intersecting line and a parametric equation of contacting line are given.

Study on contacting line of two intersecting pipes in welding assembly

相交双管的焊接装配接触线

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The analyzing method of the contact problems and engineering application is researched basing on Hertz contacting theory and finite element method.

本文主要以赫兹接触理论和有限元法为理论基础，对接触问题的分析方法和工程应用进行了分析和研究。

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Meanwhile a new way to determine the contacting parameters for discrete element analysis is presented.

同时，对离散元方法的应用，特别是参数选取进行了有益的探讨。

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This apparatus can cause shaft spin in the air without contacting any external element.

该装置能使转轴不接触任何外界元件在空中旋转。

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Second, by researching of the algorithm about contact and collision as well as various contact types based upon Contacting Finite Element Method ( CFEM), a foundation was laid for selecting the contact type in analyzing contact stress of double circular arc spiral bevel gearing;

其次，描述了应用有限单元法进行实体接触与碰撞问题算法的公式，研究了有限元分析中的各种接触类型以及双圆弧弧齿锥齿轮接触应力分析中所选择接触类型的依据。

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The research on contacting finite element model for downhole packer

井下封隔器接触有限元模型研究

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In the calculation, the DP model is chosen to consider the non-linearity of rock and the status non-linearity of rock-structure interface adopts the surface-surface contacting element.

计算中岩体采用DP模型，利用面面接触单元考虑岩体与结构交界面的状态非线性。

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Using the Non-linear analysis technology of ANSYS software, the three-dimension finite element model of radial tyre is built with three-dimension volume element, layer element and contacting element.

采用ANSYS软件非线性分析技术，通过三维体单元、层单元和接触单元，建立了60系列的R15型子午线轮胎的三维有限元模型。

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If usurer break a contact, the bank has authority to control a house.

假如贷款人违约，银行有权收走房屋。

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Clara O'Donnell, a defense expert a the Center for European Reform in London, said there was a feeling on the part of NATO members that it was a mistake to break contact with Russia.

Clara O'Donnell是伦敦欧洲改革中心的防御专家。她说，北约成员国感觉与俄罗斯断绝关系是错误的。

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Close-before-open contact Make Contact; Break Contact; Symbol 3; Symbol 4

先合后断接点，桥接点闭合触点；断路器触点；符号3；符号4

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Be prepared to break contact rapidly if engaged.

若遭遇敌人，要准备好脱离接触。

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Break contact ( normally closed) with time delay.

具有时延作用的断开（正常情况下为闭合）触点。

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Break contact. Type of contact can be specified.

断路器触点。可指定触点的类型。

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Make Contact; Break Contact; Symbol 3; Symbol 4

闭合触点；断路器触点；符号3；符号4

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A Study on the Safety Education of University Students' Internet Social Contact

大学生网络社交安全教育问题初探

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Social contact practice is the specific way for their integration.

社会交往实践则是两者得以整合的具体途径。

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I do not believe that a good relationship depends on the level of social contact outside of the classroom, but it is a contributing factor.

我不认为良好的师生关系取决于课堂之外社会接触的程度，但它是一个促进因素。

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It is impossible to exist without social contact.

不可能不与社会接触。

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" If one thinks in terms of consumptive use then amount is important," he said.

“如果人们从消费使用的角度考虑，那么数量是重要的。”他说。

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