The research on contacting finite element model for downhole packer

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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It is necessery that the total consumptive use of water in the rotation period is equal to the total effective precipitation ( pre-cipitation minus runoff depth) in the loess hilly region.

在黄土丘陵区要求林草与农作物地在轮作周期内的总耗水量与有效雨量（降雨量与径流深之差）持平。

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Developing consumptive credit is beneficial to Smash old savings idea, it is the only road to establish socialist market economy.

发展消费信贷有利于破除计划经济体制下形成的陈旧储蓄观念，是建立社会主义市场经济的必由之路。

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Consumptive credit is due content of the socialist market economy, it is the rights belong to the people as main body of market.

消费信贷是社会主义市场经济体制的应有内容，是对居民享有市场主体权利的尊重。

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Consumptive Credit& Industry Development for Automobile

汽车消费信贷与汽车工业发展

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Developing Consumptive Credit is the Only Road to Market Economy

发展消费信贷是市场经济的必由之路

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The personal consumptive credit operation is an important part of financial management.

个人消费信贷是金融管理的重要内容。

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