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1.Last sheet of paper in a legal document which, when fold, become the outside sheet and carry the endorsement.
法律文件的最后一页，当折叠时，它成了外边的一页并带有背书。收藏指正
2.The profit and loss account show the movements which have take place since the last balance sheet.
该损益帐目表明子上次资产负债表以来已经发生的变动。收藏指正
3.The firm turned the corner last year and their present balance sheet is showing a very fair profit.
公司于去年渡过难关，现在公司的帐面上利润相当可观。收藏指正
4.Last Glaciation and Maximum Glaciation in Qinghai-Xizang Plateau--A Controversy to M. Kuhle Ice Sheet Hypothesis
青藏高原的末次冰期与最大冰期——对M.Kuhle的大冰盖假设的否定收藏指正
5.At last, this paper presents the normalization of vegetable planting knowledgerepresentation and XSL style sheet description, as well as system security analysis.
最后，本文介绍了蔬菜栽培知识表示规范化和XSL样式单描述，以及系统的安全性分析。收藏指正
6.2) The modeling methods of numerical simulation of sheet metal forming are analyzed . By redevelopment in the ABAQUS/Explicit user subroutine VFRIC, the modified coulomb friction model is successfully applied to ABAQUS forming simulation. At last ,the feasibility is proved through a example.
2) 分析了板料成形过程数值模拟的建模方法,通过在ABAQUS/Explicit用户子程序VFRIC中进行二次开发,实现了修正的库仑摩擦模型在ABAQUS成形模拟中的调用,并通过实例证明了其可行性。收藏指正
7.Abstract: In this paper,first FE simulation algorithms for contact search,contact constraint,and the calculation of contact and friction loads were established based on the analysis for contact friction problem in sheet metal forming.Then the FE simulation model for contact friction problem in sheet metal forming was set up.At last,the efficiency & stability of this model was proved to be satisfactory by the comparing numerical example and experiment results of skin stretch forming.
文摘:本文在分析了板料成形过程接触摩擦问题特点的基础上，提出了接触搜索、界面滑动约束、法向接触力以及摩擦力计算等问题的有限元模拟算法，建立了板料成形过程接触摩擦问题的有限元模拟模型，最后通过数值算例与飞机蒙皮拉形模拟试验结果的比较，验证了此模型计算精度及数值稳定性良好。收藏指正
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