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双轴对称
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  two symmetrical
     According to the global stability factor φ or the slenderness ratio λ selected,supposing the global stability of two main shafts and the local stability of section were satisfied,the width-height relationship of the section of the welded I-shaped column with two symmetrical axes under axial compression is presented through utilizing the approximate radius of gyration and the economical area proportion between wed plate and flange. The calculating formulae of the dimensions of web plate and flange are also given as designing reference.
     按照选择的整体稳定系数φ或长细比λ,在满足2个主轴整体稳定和截面局部稳定的条件下,借助于截面回转半径近似值及翼缘、腹板的经济面积比例,分析出轴心受压双轴对称焊接工字形柱截面宽度和高度的关系式,以及翼缘、腹板尺寸的计算公式,供设计时参考。
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  “双轴对称”译为未确定词的双语例句
     2. This research studied optimal section and bending moment design for the double symmetric I-steel short beams (1-5m) and long beams (5-10m);
     2、研究双轴对称工字钢短梁(1~5米)和长梁(5~10米)的优化截面设计和最大弯矩设计。
短句来源
     OPTIMIZATION DESIGN OF I-TWIN AXIS SYMMETRICAL BEAM BASED ON ANSYS
     基于ANSYS技术的双轴对称工字型截面梁优化设计
短句来源
     Optim um design w as carried out for tw o axes sym m etric Built up steel I section beamusing geom etric program m ing according to the code of steel Structures ( G B J17 88).
     采用多困难度几何规划的简单解法,根据国家《钢结构设计规范》( G B J1788),对双轴对称工字形截面组合钢梁进行了优化设计
短句来源
     Optimization Design of Symmetrical String-dome Structure
     双轴对称张弦穹顶结构的优化设计
短句来源
     ANALYSIS OF FRAME-TUBE STRUCTURE WITH VARIABLE CROSS SECTION UNDER TORQUE
     双轴对称变截面框筒结构在扭矩作用下的分析
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  相似匹配句对
     Optimization Design of Symmetrical String-dome Structure
     轴对称张弦穹顶结构的优化设计
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     Dual Lenses
     透镜
短句来源
     An elaborate dual reciprocity boundary element formulation for axisymmetric problems has been derived.
     发展了轴对称问题的倒易边界元方法 .
短句来源
     Principles of double crank mechanism
     曲柄机构原理
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     Finite-Element Method for Axial Symmetry Problems
     轴对称问题的有限单元法
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  two symmetrical
Experimental investigations reveal two symmetrical aqueous two-phase systems (ATPS) in the ternary phase diagram of SDS/CTAB/H2O system.
      
In a homogeneous medium at Reynolds numbers Re >amp;gt;5 two symmetrical regions of vorticity of opposite sign are formed behind the cylinder and move together with the latter.
      
It is shown that at high values of the vibrational Grashof number boundary-layer type flow with a structure consisting of two symmetrical jets perpendicular to the direction of vibration is formed.
      
The cathode holder of the diode is constructed in the form of two symmetrical arms connected to a common current lead.
      
For a thermopile with an arbitrary number of stages N, the calculation was reduced to the standard problem of finding the eigenvalues of two symmetrical matrices of order N.
      
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The auther of Mahonia Leveilleana Schneider has four sporangia,its derelopment

齿蕊十大功劳(Mahonia leveillzeana Schneid)花药四室,小孢子囊中仅一列孢原细胞,造孢组织呈板状。花药壁的发育属双子叶植物型,变型绒毡层由 P—型和 C—型细胞构成。小孢子母细胞减数分裂的胞质分裂属连续型,形成双轴对称式四分体。散粉时花粉粒多为二细胞型,少数仍处于单核阶段。子房一室,基底胎座,二枚胚珠倒生,具双珠被和厚珠心。珠心顶部有8—10层细胞厚的珠心冠原。

In termse of the isoseismal da(?)a from Atlas of the Isoseismals ofChina,We discussed some characteristics of historical earthquakes ofChina,and set up the computational formulae of seismic hazards analysiscorresponding to (?)he axisymmetrical isoseismals,then put forward someattenuation models that coincide with the characteristics of earthquakeof China.The proposed modcls include,ellipsoid attenuation model,circle attenuation model,strip-shape attenuation model and bell-shapeattenuation model.The seismic hazard...

In termse of the isoseismal da(?)a from Atlas of the Isoseismals ofChina,We discussed some characteristics of historical earthquakes ofChina,and set up the computational formulae of seismic hazards analysiscorresponding to (?)he axisymmetrical isoseismals,then put forward someattenuation models that coincide with the characteristics of earthquakeof China.The proposed modcls include,ellipsoid attenuation model,circle attenuation model,strip-shape attenuation model and bell-shapeattenuation model.The seismic hazard analysis for the Ertan Site isgiven as an numerical example to illustrate the possibility and feasibilityof the proposed models.

本文主要以《中国地震等震线图集》为根据,探讨了我国境内历史地震的某些特征,初步建立了等震线图为任意双轴对称形状或单轴对称形状时的地震危险性分析的计算公式;结合我国历史地震等震线的实际情况,提出了符合我国历史地震特征的几种衰减模型,主要包括(?)椭园衰减模型、园衰减模型、带形衰减模型和钟型衰减模型;并用数例说明了上述各种模型的可行性与可能性。

In this paper, based on the ultimate states of collapse or a limited yielddepth and the principle of simultaneous local and overall buckling, the allo-wable b/t ratio of flanges was calcilated, and some design formulae have alsobeen worked out.

本文根据双轴对称I形截面偏压杆限制截面塑性深度和不限制截面塑性深度(压溃)的两种极限状态,按等稳条件计算了翼缘板的宽厚比限值,并提出了简化计算公式。

 
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