A study on affine equipollence problem of hexagon inscribed and circumscribed in an ellipse 外切六边形的仿射等价问题
2.
According to the theory of scalar diffraction , first , the equipollence of spatial distribution of the plane - wave interferential field and parallel projective sine grating is discussed 摘要根据标量衍射理论，首先讨论了两平面波干涉场的空间分布与平行投影正弦光栅的等价性。
3.
It is a kind of global safety view with more toleration that the non alliance and the open collective safe view have broken through the group of the equipollence safety or regional limit 非联盟的、开放的集体安全思想，突破了均势安全的集团或区域界限，是一种包容性更强的全球安全观。
4.
Utilizing dynamical finite element method based on equipollence linearity model , found the dynamical stress field and the acceleration field , make the foundation for calculated the safety factor of the dam slope with finite element method 运用有限元法分析坝体稳定的基本原理，根据得到的坝体动应力分布场计算了坝体的动力稳定安全系数。
5.
At the end , basing on comparative model , using depth - first search strategy and special arithmetic in the principle of mathematical equipollence , ides can auto distinguish the subject after comparing key steps and answering steps of student 基于比较模型，采用深度优先的控制策略，采用特定算法，按照数学意义上等价的原则，对关键步骤和学生解答进行比较识别，从而实现自动批改功能。
6.
In order to maintain the rules conveniently , we make use of the technology of rdbms in managing data , consider the trait of production rules , and then design and realize the arithmetic to check the rules " equipollence and circulation on the basis of our former work - knowledge ordering . all these solve the knowledge base ' s consistency effectively 为了方便对规则的维护，我们充分利用数据库管理系统对数据管理的巨大威力，结合产生式知识规则的特点，在原有知识序化的基础上，对规则的等价、循环做了算法设计与实现，较好地解决了知识库的一致性问题。
7.
Based on total stress index of property of statics and dynamics of dam body and dam base materials which obtained from test , utilizing duncan - chang hyperbola model and equipollence linearity model to analysis static state and dynamic stress state affected by earthquake of hada mountain dam body and dam base 根据试验得到的坝体和坝基材料的静动力学性质的总应力指标，计算中采用duncan ? chang双曲线模型和等效线性模型，分析了哈达山坝体和坝基的静应力状态以及它们在地震作用下的动应力状态。
8.
Utilizing pseudo - static method theory , calculated the safety factor for the dam slope , give , a primary conclusion . . utilizing static finite element method based on duncan - chang hyperhola modelfound the static stress riele , make the foundation for hynamical finite element analysis . utilizing dynamical finite element method based on equipollence linearity model , found the dynamical stress field and the acceleration field , make the foundation for calculated the safety factor of the dam slop with finite element method 运用拟静力法的基本原理，对满拉堆石坝的坝坡稳定进行了分析研究，得出了初步结论；采用duncan - chang双曲线模型，用计算土石坝应力及变形的静力有限元程序，对满拉堆石坝进行了静力有限元分析，得到了坝体的静应力场分布，为动力有限元计算打下基础。
