directed graph 中文意思是什麼
directed graph
解釋
定向圖-
We shall abbreviate "directed graph" to digraph.
我們將把「有方向的圖」簡稱為方向圖。 -
The condensation of d is a directed graph with m vertices.
D的凝聚圖是指一個有m個頂點的有向圖。 -
If the edges are ordered pairs of vertices then we get the notions of a directed graph and directed multigraph.
如果邊都是頂點的有序對，則得到有向圖和有向重圖的概念。 -
The visualization objects include the power flow animation, each customer ' s use rate of transmission line, the power supplying paths. a novel method is developed using power flow tracing method for finding all the directed paths between two designed nodes in the directed graph with loops
鑒于目前還沒有高效的供電路徑搜索的數值方法，發展了一種新的基於潮流跟蹤的供電路徑搜索新方法，該方法可以通過簡單的運算來獲得帶環路網路指定兩節點間的所有供電路徑。 -
The basis is hierarchical placement based on the model of directed graph partition. introducing timing - driven placement to clustering, it is an excellent method that mixes the characteristics of timing - driven placement, clustering and directed graph partition. integrated with cdp, this algorithm can solve the system - level vfg problems of electronic devices
該演算法是基於有向圖分解模型的分級布局演算法，將定時驅動布局思想引入結群過程，是集定時驅動布局、基於結群的布局、基於劃分的布局和有向圖分解思想為一體的快速布局演算法。 -
Based on the timing constraints event model of rtl ( real time logic ), the compiling algorithms for timing constraints event transform the problem of how to detect timing constraints event to the problem of how to find negative cycle in weighted directed graph, which is named as constraints graph. by simplifying constraints graph, the efficient detecting algorithms for timing constraints event have been developed, which not only has good time complexity but also can find events that violate timing constraints as early as possible. in order to verify the event detecting methods based on dynamic rules and to check its efficiency in application, experiment schemes are designed and performed on the implemented prototype system in linux environment
帶時間約束事件的編譯演算法以rtl （ realtimelogic ）事件模型為基礎，將帶時間約束事件的檢測轉化為在帶權值的有向圖（此即受限圖）中尋找負圈的問題，它通過化簡受限圖得到最小有效約束集；運行時事件檢測演算法在最小有效約束集上檢查事件的時間約束，不但有較好的執行效率，而且能盡早地發現違反時間約束的事件。 -
Besides, this paper has studied key technology of workshop job management system the modeling of directed - graph with weight which bases on the bom of product 。 this model can be very easy to implement in the relation database and offers the foundation for system integration of mrpii / cims / erp
同時，本文研究了車間作業管理的關鍵技術? ?產品bom的賦權有向圖模型，該模型可以很容易在關系數據庫中實現，為mrpii / cims / erp系統集成提供了基礎。 -
A belief network is a probability model defined on an acyclic directed graph ; distributed means nodes can be on different hosts, and heterogeneous means allowing different conditional distributions
一個信念網路是定義在一個非循環有向圖上的概率模型；分佈性指節點可以在不同的主機上，異質性指可以允許不同的條件分佈。 -
The directed graph model of agvs is used to give a mathematical tool for the research of dispatching methods and routing algorithms of agvs ; the colored tempo - petri net system model of agvs is mainly used to describe the concurrency of agvs and the conflict of agvs
有向圖模型主要于為通過模擬來研究自動導引車的調度方法和路由演算法提供了一個有效的數學工具；而有色時延petri網系統模型則主要用來在計算機模擬系統中描述agv之間的沖撞和agvs的並發特性。 -
3 ) presentation and implementation of key - based relational schema reverse reconstruction algorithm ( krr ). based on discrete mathematics theory, a krr algorithm is proposed which can realize the transformation from relational schema to directed graph structure and get a good data preparation for the sequential schema mapping
3 ）提出基於key的關系模式重構演算法以離散數學理論為基礎，對關系模式數學建模，通過提出基於key的關系模式重構演算法，將關系模式轉化為有向圖數據結構，為模式映射提供基礎。 -
One way to picture this difference is to think of revision control as a directed graph ( in the graph theory sense ) where nodes are revisions and edges are changesets
圖式化這些不同的一個方式是把版本控制想成一個方向圖（按照圖論理論） ，其中節點是版本而邊是變更集。 -
2. the design process reuse for aeronautic welding fixture design has been researched. a welding fixture design process model has been build by the directed graph technology, based on which the design process wizard encapsulating the parameter and assembly relation between design actions has been developed
（ 2 ）研究了航空焊接夾具設計流程重用技術，建立了航空焊接夾具設計流程有向圖模型，開發了航空焊接夾具設計流程向導，並利用該向導封裝了設計活動間的參數傳遞關系和裝配關系。 -
Listing 5 presents a simple directed graph consisting of three nodes in dot notation
清單5給出了一個簡單的定向圖（ directed graph ） ，其中包含3個節點。 -
The other method is regard the hypertext system as a weighted directed graph. after the redefinition of the confidence and support, we propose the composite association rule mining method
另一種方法是將超文本系統看成是一種有向加權圖，經過對可信度和支持度的重新定義，使之適合於用來表示用戶的訪問路徑，並引出復合關聯規則挖掘演算法。 -
Workflow is used as the information carrier and delivers task related information along with process flow. users can send information search requests to information search unit with the help of information search client to get the needed information in an efficient and precise way. ( 3 ) some key technologies for enterprise workflow information active sharing based on the proposed system framework, the detailed study on the key technologies of enterprise workflow information active sharing have been made : a directed graph based new workflow modeling method is proposed
該結構採用企業信息索引為系統自動化的信息檢索提供支持；企業信息檢索機構負責對信息需求進行處理，推動企業信息檢索過程，並響應人工推動的企業信息檢索請求；以工作流為載體，在過程的自動化推進中主動傳遞任務所需信息，並通過信息檢索客戶端向信息檢索機構發出檢索請求來高效、準確地取得系統無法主動提供的任務所需信息。 -
In chapter 4, fault isolation based on statistical methods is discussed. firstly, the fault isolation ability of multi - block principal component analysis is tested on the tennessee eastman process. then principal component analysis and signed directed graph are combined, and the method is applied to a continuous stirred tank reactor
第四章探討了多元統計法在故障分離中的應用：首先以田納西過程為實例檢驗分塊主元法的故障分離能力，然後把統計法故障診斷與符號有向圖法結合，並把這一方法應用到一個連續攪拌的化學反應釜中。 -
Because of the difference in environment, energy and process data, this paper uses analytic hierarchy process to build process planning evaluation model to add the relative efficiency of data. according to the result of relative index, an optimal green process planning approach is produced. the directed graph of process planning is built based on graph theory and the improved dijkstra algorithms is put forward to search the optimized process route
由於環境、能源及工藝數據標準的不一致，為了增加數據之間的相對有效性，本文引入層次分析法，建立了工藝決策層次評價模型，通過對相關指標的計算，得出了相對綠色的工藝決策方案：引用圖形理論的基本原理，建立加工方案有向圖網路，並提出改進的迪克斯特拉演算法求解最優加工路線；最後給出綠色capp系統的原型框架和具體實現。 -
A control flow graph ( cfg ) is a directed graph
控制流程圖（ cfg ）是一個有向圖。 -
The graph is a directed graph.
這個圖是有向圖。 -
Boundary of the spectral radius of a directed graph
簡單有向圖譜半徑的界
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