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准永久
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  quasi-permanent
     The last one is to change a YBCO bulk into a superconducting quasi-permanent magnet, levitation force of a YBCO bulk with 40 mm in diameter is up to 218.3N at 5mm gap over a NdFeB guideway at 77K by this method.
     第三方法是将YBCO块材变成准永久磁体 ,此种情况下 ,直径为 4 0mm的圆柱状YBCO块材在 77K温度下 5mm悬浮间距时的悬浮力高达 2 18.3N .
短句来源
     To the partially prestressed concrete beams with larger variable load, they still have good normal service performance and durability, when they are allowed to crack in the allowed range momently under the load effect nominal combination and the cracks can close under the load effect quasi-permanent combination.
     对于承受的可变荷载较大的部分预应力混凝土梁,允许在荷载效应标准组合下短暂开裂,且其裂缝宽度在允许裂缝宽度范围之内,而在荷载效应准永久组合下保持裂缝闭合状态,结构仍将具有良好的使用性能和耐久性。
短句来源
     The analysis(reveals) that the long-term deflection prediction comprehensively consider the influence factors of the quasi-permanent value of changeable actions and concrete fatigue caused by cyclic load is consistent well with the in-site survey value of the 270 m continuous rigid box girder bridge~([1]). It can offer gist to the bridge[1] longstanding deformation prediction of this type of bridge.
     拟用文献[1]提供的某主跨270 m连续刚构桥挠度长期观测的实测数据,考虑新规范中的可变作用准永久值对理论徐变计算值进行验证,通过有限元分析对成桥后的长期徐变变形给出较准确的预测,并得出挠度长期增长系数,为此类桥梁的长期挠度预测提供依据。
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  “准永久”译为未确定词的双语例句
     Based on this concept, we can hang the live loads on the beam. Thus the cost of the mass was left out compared with the TMD system.
     从此思路出发,类似于TMD减震系统,对于活载较大且准永久值系数较大的建筑(如图书馆),可以将内部活载悬挂在主梁和次梁上,相对于TMD系统来说,省去了集中质量块的造价;
短句来源
     It's an important link between relatively in dependent self-learning and sub-separation of learners and teachers.
     学习支持服务在远程教学中具有特殊的地位,它在“准永久分离的教学认识主客体关系”中,弥补分离,成为建立相对独立的学习主体的中介环节,这对远程教学认识论具有全新的意义。
短句来源
     The thermal interface resistance is decreased from 0.02868 to 0.01109m2·K·W{-1} when the contact pressure is increased from 0.23 to 0.55MPa and the temperature maintains 55K, which means the thermal interface resistance is decreased 61.3%.
     第三方法是将YBCO块材变成准永久磁体 ,此种情况下 ,直径为 4 0mm的圆柱状YBCO块材在 77K温度下 5mm悬浮间距时的悬浮力高达 2 18.3N . 高温超导材料和低温技术的发展 ,促进了制冷机直接冷却高温超导磁体的发展 .
短句来源
  相似匹配句对
     Matrix Over Quasi-Fields
     域上矩阵
短句来源
     A Preliminary Inquiry into Quasi-judicial Admission
     自认刍议
短句来源
     There was no permanent surgical complication.
     无永久手术并发症。
短句来源
     No severe and permanent complications were observed.
     无严重、永久的并发症。
短句来源
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  quasi-permanent
It is the consequence of having "quasi-permanent" filler-to-matrix contacts that are not modified in presence of solvent molecules.
      
Our model is consistent a quasi-permanent CO2 flux through the shallow-level magmatic reservoir of Grimsvotn.
      
As previously reported, 4-acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic acid (SITS) induced a quasi-permanent opening of the channel.
      
Characteristics of the region include SST>amp;gt;28°C, a quasi-permanent, topographic trade wind trough, sudden cyclogenesis, and distinct circulation regimes with easterly (westerly) shear to the north (south).
      
A regular flow scheme (outflow in the northern part and inflow near the southern slope of the strait) which is related to the quasi-permanent salinity front was shown to prevail on average.
      
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In this article, the author points out that the student support system is comprehensive and plays a special role in modem distance education. It's an important link between relatively in dependent self-learning and sub-separation of learners and teachers.

现代远程开放教育的学习支持服务系统是一个综合系统,具有六部分助学功能;学习支持服务在远程教学中具有特殊的地位,它在“准永久分离的教学认识主客体关系”中,弥补分离,成为建立相对独立的学习主体的中介环节,这对远程教学认识论具有全新的意义。

The task of teaching is to serve learning. In the process of constructing the knowledge principal part, the role of teacher as a guide and advisor are demonstrated in application of specific teaching strategy, which show the value and efficiency of guiding and advicing. Because there is a state of the para-permanent separation between the teachers and students in modern distance education, the teachers should pay more attention in designing, researching and implementing the construction strategy for the principal...

The task of teaching is to serve learning. In the process of constructing the knowledge principal part, the role of teacher as a guide and advisor are demonstrated in application of specific teaching strategy, which show the value and efficiency of guiding and advicing. Because there is a state of the para-permanent separation between the teachers and students in modern distance education, the teachers should pay more attention in designing, researching and implementing the construction strategy for the principal part, in order to make their teaching perfectly and promote interactive action between teachers and students.

教是为学服务的。知识主体建构过程中 ,教师的导修、参谋作用 ,体现在具体教学策略应用上 ,这是导修的价值所在 ,也是参谋的成效所在。现代远程开放教育中 ,师生处于准永久分离状态 ,更应该注重主体建构策略的设计、研究和实施 ,以完善教学 ,促进师生互动

Three methods are presented to enhance levitation force of YBCO bulk in applied magnetic field. The first one is to strengthen applied magnetic field. For this method, levitation forces of a YBCO bulk with 30mm in diameter are studied over a single NdFeB cylinder and a NdFeB guideway respectively and their maximum levitation forces are 50.0N for the NdFeB cylinder and 103.0N for the NdFeB guideway at 77K. The second one is to promote properties of YBCO bulk itself, including critical current density and trapped...

Three methods are presented to enhance levitation force of YBCO bulk in applied magnetic field. The first one is to strengthen applied magnetic field. For this method, levitation forces of a YBCO bulk with 30mm in diameter are studied over a single NdFeB cylinder and a NdFeB guideway respectively and their maximum levitation forces are 50.0N for the NdFeB cylinder and 103.0N for the NdFeB guideway at 77K. The second one is to promote properties of YBCO bulk itself, including critical current density and trapped flux and its size. Here, levitation forces of three YBCO bulks with 30mm, 35mm, 40mm in diameter are studied over a NdFeB guideway, and levitation forces at gap 5mm are 103.0N, 134.5N and 175.0N at 77K, respectively. The last one is to change a YBCO bulk into a superconducting quasi-permanent magnet, levitation force of a YBCO bulk with 40 mm in diameter is up to 218.3N at 5mm gap over a NdFeB guideway at 77K by this method.

本文给出了三种提高YBCO块材在外磁场中悬浮力的方法 .第一种方法是增强外磁场 ,对于此方法 ,本文研究了一块直径为 30mm的圆柱状YBCO块材分别在圆柱状NdFeB永磁体和NdFeB永磁导轨上的悬浮力 .测量结果表明在 77K温度下YBCO块在圆柱状NdFeB永磁体上的最大悬浮力为 5 0N ,在NdFeB永磁导轨上的最大悬浮力为 10 3.0N .第二种方法是提高YBCO块材自身的性能 ,包括临界电流密度、俘获磁通和块材尺寸 ,对于此方法 ,本文仅研究了块材尺寸对悬浮力的影响 .三块直径分别为 30mm、35mm、4 0mm的圆柱状YBCO块材在NdFeB永磁导轨上的悬浮力被测量 ,77K温度下 5mm悬浮间距时的悬浮力分别为 10 3.0N、134.5N、175 .0N .第三方法是将YBCO块材变成准永久磁体 ,此种情况下 ,直径为 4 0mm的圆柱状YBCO块材在 77K温度下 5mm悬浮间距时的悬浮力高达 2 18.3N .

 
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