拓撲不可約的 的英文怎麼說
中文拼音 [tàpūbùkěyāode]
拓撲不可約的
英文
topologically irreducible-
The evolution laws of structural weight, the best optimum fitness, average fitness, maximum nodal stress and displacement with increasing generations are discussed. and multi - result fact of the topology optimization can be obtained by ga - fem. the research results in this thesis show that the developed method is successful in the topology optimization for 2d continuum structures under multi - load and multi - constrain conditions
上述工作表明，本文ga ? fem可以實現多載荷、多約束條件下平面連續結構拓撲優化，與eso等優化方法獲得的優化結果相比，本文的優化結果不存在單元鉸接和不連續單元，優化結構多樣，質量更小，效果更優。Phylogeny analysis is performed with phylip software package and encoding sequence of bdnf gene. the phylogeny trees have been drawn with three different methods ( maximum parsimony method, genetic distance method and maximum likelihood method ), respectively. the analysis outcomes are not all consistent for the reason that it is closely related to the selected methods and the conservative level of the sequences
採用不同的統計學分析方法，最大簡約法（ maximumparsimonymethod ） 、最大似然法（ maximumlikelihoodmethod ）和遺傳距離法（ geneticdistancemethod ） ，得到了物種系統發育進化樹，但拓撲結構並不完全一致，這是可能是因為分子系統學研究與採用的分析方法和所選基因的保守程度即作為分子標記的可信度密切相關。In terms of sub - shifts of finite type determined by an irreducible matrix, affine maps of compacted connected metric abelian group and continuous maps of tree, the two concepts of topologically ergodic map and topologically transitive map are identical
指出對于由不可約方陣所決定的符號空間有限型子轉移而言，或緊致交換群的仿射變換及樹上連續自映射而言，拓撲遍歷與拓撲可遷這兩個概念是一致的。The solution existence for dynamic topology optimization of truss is explored from the engineering point of views : when the design variables ( section areas ) are continuous and their bound are not imposed, if there is no frequency constraint, the optimal solution always exists for a given optimization problem and contrarily, when the frequency constraint is considered, the frequency will become the key constraint and also the solution existence will be changed by the topology alteration
從一般工程意義上探討了桁架結構動力學拓撲優化設計解的存在性：無固頻約束時，設計變量連續且不考慮上限約束，則優化問題總是有解；考慮固頻約束時，頻率約束是是否有解的關鍵約束，並且改變結構拓撲形狀可以改變解的存在性。分享友人