路徑樹 的英文怎麼說

中文拼音 [lùjìngshù]
路徑樹 英文
directed tree
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 徑 : Ⅰ名詞1 （狹窄的道路; 小路） footpath; path; track 2 （達到目的的方法） way; means 3 （直徑的簡稱...
  • 樹 : Ⅰ名詞1 （木本植物的通稱） tree 2 （姓氏） a surname Ⅱ動詞1 （種植; 栽培） plant; cultivate 2 （樹...
  • 路徑 : 1. （道路） way; route; trajectory; path; tail; travel2. （門路） method; ways and means
  1. Firstly, the connected end sets of the relay lines are got using the breadth first search algorithm and the connected relationship of wiring terms is got in the electrical circuit diagram according to different cad block structure of different element type. secondly, the appropriate specification of the relay element is chosen by using the equinoctial graph algorithm, and the panel layout diagram is generated automatically by the combining automatic layout and manual intervention. finally, the optimized path algorithm which passes each vertex in the completed non - directional graph once and only once is put forward, this algorithm and the prim minimum spanning tree algrotithm can generate the inner panel wiring diagram and terminal wiring diagram automatically

    首先，採用廣度優先搜索演算法查找電氣原理圖中的連通導線端點集，並根據不同類型的繼電元件對應的cad圖塊結構的不同，得到電氣原理圖中元件接線端子之間的連接關系;其次，根據二分圖匹配演算法為電氣原理圖中繼電元件選擇合適的型號和規格，並採用人工干預和自動布置相結合的方法完成屏面布置圖的自動生成;最後，提出了完全無向圖中經過每個頂點一次且僅一次的優化路徑演算法，利用該演算法和經過預處理的prim最小生成樹演算法自動生成屏內安裝接線圖和端子接線圖。
  2. With this aim, this paper has made a comprehensive study on the problem of the land requisition in our country. armed with such renowned theories as the theory of property right application, land rent, public choice etc., the study has rendered a potent analysis of the problems involved in the current land requisition policy and their reasons. then, based on china ’ s realities, it advances its own proposal to renovate the current policy from various aspects including the nature and limitation, the procedure and the standard of compensations of the land requisition, that is, by means of a combination of enumeration and generalization, decide on a strict definition of public interests ; improve the procedure of the requisition of land under the principle of openness, justice and high efficiency ; set up the compensation standard with the market price as the baton while versified by other supplementary ways ; most importantly, clarify the property right of land

    本文通過對土地徵用問題進行系統、深入的調查研究，針對當前我國土地徵用制度存在的主要缺陷和弊端，應用產權理論、地租理論、公共選擇理論、新制度經濟學中的路徑依賴理論以及其它相關理論分析土地徵用存在的問題及其原因，並結合國內外的先進經驗，立足本國實際，從征地性質與范圍的界定、征地程序的完善，以及征地補償標準的確定，提出了完善土地徵用制度的政策建議:採取列舉式和概括式相結合的方式，嚴格的界定「公共利益」范圍;樹立正當的程序觀念，按照公正、公開與效率的原則，完善征地程序;建立以市場價格為主的土地徵用補償標準，建立多樣化的征地補償方式等來解決我國征地中存在的問題，但最根本的是明晰土地產權從而進一步完善我國土地徵用制度。
  3. We performed crosswell tomography on a real crosswell seismic line from shengli oilfield by using simultaneous iterative reconstruction technique ( sirt ) based on shortest path tree ( spt ) curved ray tracing

    摘要利用基於最短路徑樹彎曲射線追蹤的聯合迭代重建層析成像（ sirt ）技術進行井間地震層析成像，對勝利油田的一對井間實際資料進行了處理。
  4. Topics covered include : randomized computation ; data structures ( hash tables, skip lists ) ; graph algorithms ( minimum spanning trees, shortest paths, minimum cuts ) ; geometric algorithms ( convex hulls, linear programming in fixed or arbitrary dimension ) ; approximate counting ; parallel algorithms ; online algorithms ; derandomization techniques ; and tools for probabilistic analysis of algorithms

    主題包括?隨機計算、資料結構（雜湊表、省略串列） 、圖論演演算法（最小擴張樹，最短路徑，最少切割） 、幾何演演算法（凸殼、在固定或任意維度的線性規劃） 、近似計數、平行演演算法、線上演演算法、消去隨機技術，以及演演算法的機率分析工具。
  5. Combining the international newest research result of multicast tree, this paper get a series of high efficiency arithmetic of multicast tree problem with the method of increasing storage space, and this paper also takes into account the dynamic capability of arithmetic. in many research fields of multicast tree, many high - efficiency solutions were obtained in this paper. this paper has broadly discussed about multicast tree problem and obtained dmdt ( dynamic minimum distance tree ), fmph ( fast minimum path cost heuristic ), dmph ( dynamic minimum path cost heuristic ) and fgmra ( fast group multicast routing arithmetic )

    本篇論文對多播生成樹問題進行了比較全面的討論，涉及內容包括單約束的單樹多播、單約束的成組多播等多個方面，所提出的動態最短路徑樹演算法dmdt （ dynamicminimumdistancetree ） ，最小代價多播生成樹演算法fmph （ fastminimumpathcostheuristic ）動態最小代價多播生成樹演算法dmph （ dynamicminimumpathcostheuristic ） ，成組多播快速路由演算法fgmra （ fastgroupmulticastroutingarithmetic ） ，都取得了顯著的效果，是目前同類問題中比較好的解決方案，達到了預期的目的。
  6. Topics covered include : sorting ; search trees, heaps, and hashing ; divide - and - conquer ; dynamic programming ; amortized analysis ; graph algorithms ; shortest paths ; network flow ; computational geometry ; number - theoretic algorithms ; polynomial and matrix calculations ; caching ; and parallel computing

    課程主題包含了：排序、搜尋樹、堆積及雜湊；各個擊破法、動態規劃、攤提分析、圖論演演算法、最短路徑、網路流量、計算幾何、數論演演算法；多項式及矩陣的運算；快取及平行計算。
  7. Simulated results showed that the proposed algorithm is available to construct effectively and quickly, the multicast tree satisfying delay constraint and lowest link cost, with network load balance taken into account to pick out the cheaper idle route

    模擬結果表明，該演算法在考慮網路的負載均衡情況下，選擇鏈路代價較低的空閑路徑，快速、有效地構建滿足時延要求，鏈路代價最小的組播樹。
  8. The delay and delay variation constrained minimum steiner tree problem is also researched. lcdvma ( low - cost delay variation - constrained multicast algorithm ) is proposed for this problem. low time complexity, low cost and constrained delay and low delay variation are achieved by only comparing minimum delay paths and minimum cost paths

    對于時延和時延差約束的最小steiner樹問題，提出了一種基於最小時延路徑和最小費用路徑的演算法?一lcdvma演算法，由於該演算法比較了通過中轉節點后的最低費用路徑和最短時延路徑，降低了運算復雜度，通過模擬得到了較小的網路費用和時延差，因此lcdvma演算法是一種具有低復雜度的時延和時延差約束的最小steiner樹的啟發式演算法。
  9. Modeling of propagation path loss in a canopy

    樹冠中電波傳播路徑損耗的研究及模型的建立
  10. These shortest paths can be easily determined by keeping track of the predecessors of vertices in the tree.

    只要在樹中沿著先行頂點的軌跡引伸，這些最短路徑還是容易確定的。
  11. Everywhere in the farm has thick foliage and grasslands, creating a scenic environment for both visitors and photographers. advance booking of two days is required for visits

    農場內有大小路徑連貫，樹木婆娑，綠草如茵，細賞不盡，最宜游賞及攝影。
  12. This is a heuristic strategy. it can reduce the intersection tests need to be computed between bounding volumes by tracing the traverse process in previous time to gain traverse path in current time. the correctness and validity of collision detection can be guaranteed by maintaining the tracing list

    這是一個啟發式的策略，通過跟蹤國防科學技術大學研究生院學位論文上一時間采樣點對包圍盒樹的遍歷過程，確定當前時間采樣點的遍歷路徑，從而有效地減少了遍歷過程中包圍盒相交測試的次數，提高了演算法效率，同時通過對跟蹤表的維護，保證了碰撞檢測的正確性和有效性。
  13. Firstly, reviews and analyses the evolution and present situation of the medical care insurance of cities and towns workers ; secondly, analyses the objectivity which restricts the medical care insurance reform, and then finds a solution to breakthrough the bottleneck of social medical care insurance reform ; thirdly, analyses the evolution of medical care insurance reform of western countries objectively, so that we can make a strong argumentation why we should learn their successful experience to perfect our medical care insurance ; last, makes a serious investigation towards some major problems which needs to be solved during our present medical care insurance reform, such as perfect the system, enlarge the coverage of insurance in a high speed, promotes the medical and medicine administration system at the same time sets up a human ? oriented concept called “ equality priority and efficiency ” the thesis sticks to the basic principle of dialectical and historical materialism in investigation method, tries to adopt a series of methods, includes the followings : scientific abstraction, statistics, the combination of international comparison and internal analysis, etc. the thesis has already made some achievements after making a thorough study about the obstacle and policy of our national medical care insurance reform

    第三部分內容，客觀分析了西方國家醫療保險改革的路徑，並就我國城鎮職工醫療保險所應借鑒的有益經驗進行了論證。第四部分內容，對我國現階段城鎮職工醫療保險改革實踐中需要解決的幾個主要問題，比如完善制度設計、快速推進保險的覆蓋面、切實推行醫療醫藥管理體制的同步改革、樹立「公平優先兼顧效率」的人本理念等問題，進行了認真的研究，提出了解決這些問題的途徑。本論文在研究方法上，堅持了辨證唯物論和歷史唯物論相結合的基本原則，採用了科學抽象法、統計法、國際比較與國情分析相結合等諸多的方法。
  14. Finally, methods are raised to eliminate inflation caused by investment in our country. the ways include building up scientific economic development idea, changing economic growth mode from investment leading mode to consumption leading mode and reforming investment system

    最後提出了消除我國投資擴張對通貨膨脹誘發作用的路徑與舉措，認為可以從樹立科學的經濟發展理念、促進投資主導型向消費主導型經濟增長模式轉變、改革投融資體制三個主要方面來實現。
  15. It can be used in any complex environment, can locate all paths from transmitter to receiver which avoid redundant calculation, and it is a standard 3 - d forecast model ; in addition, it is a point to point ray tracing method based on specular theory which do n ' t carry out the receive test ; furthermore the model adopt the reverse arithmetic which exert the tree concept in data frame and establish a virtual fountain tree permanently, the proagmme can back - search the virtual fountain tree when it is running. these operation increase the calculate speed and it result in the higher receive efficiency and precision. the thesis design a programme to compare the prediction results based on ray tracing method of virtual fountain tree between the measurement results and prediction results based on the other transmittion models. the comparsion result indicate the new model is a better model

    它可應用於任何復雜的傳播環境中，能找到發射機到接收機之間的所有電波傳播路徑而無須冗餘的計算，是一種準三維的預測模型；另外，從本質上講，它仍然是一種基於鏡像理論的點對點的射線跟蹤法，所以它無須進行接收測試；而且由於採用了反向演算法，運用數據結構中多叉樹的概念，先確定需要計算的場點位置，找出所有能從源點到達場點的射線，並且可一次性建立一個虛擬源樹，以後每次的計算只要通過對該樹進行後序遍歷即可，大大提高了運算速度，因而有較高的接收效率與精度。本文對該模型進行了相應的模擬，並將其預測結果與實測結果以及基於cost231經驗性模型和基於強力射線跟蹤確定性模型的預測結果進行了比較，結果表明了該模型的優越性。
  16. Based on the mfc ( multicast forwarding cache ) formed by multicast protocol such as dvmrp ( distance vector multicast routing protocol ), pim ( protocol independent multicast ), we can build special lsp ( lable switch path ) for certain source group couple to transport multicast data flow using ldp ( lable distribute protocol ) or cr - ldp. based on the zxb10 switching router of zte co. we can now support dvmrp within the context of mpls networks

    本文主要研究mpls網路對ip組播業務的支持，根據現有的ip組播協議如dvmrp 、 pim等所生成的組播轉發表（轉發樹） ，利用mpls網路的ldp （標記分發協議） cr - ldp （顯式路由標記分發協議）為特定的源組對確立lsp （標記交換路徑） 。
  17. Lastly, we select bounded paths satisfying delay variation from them to develop a delay and delay variation constrained multicast tree. we compare the proposed algorithm with some exists algorithm in system running time and success rate

    然後，從得到的若干路徑中選取滿足時延差別約束的源節點到各目的節點的路徑，從而得到一棵滿足時延和時延差別約束的組播樹。
  18. Filament winding is a production technique for composite structures, in which impregnated fiber bundles are guided through a pay - out eye on a rotating mandrel

    纖維纏繞是一種製造復合材料產品的加工技術，預浸有樹脂的連續纖維束在吐絲嘴控制下沿規定路徑鋪設在芯模上。
  19. Our simulation shows that the path will not be improved obviously with the further increase of k, when it reaches a certain value. in addition to this, the dissertation shows that when rh = 3 and rh = 4, the results are similar. 2. in regard to the application layer routing of tree - based p2p multicast, the dissertation presents a new kind model of spanning tree, named dcmd, in which the path delay, the

    2 .在基於樹的p2p組通訊的傳輸路徑方面，抽象了一個新的生成樹問題? ? dcmd問題，該問題同時考慮了線路延遲、主機的發送/轉發延遲和每個主機的工作負載有限三種情況，可以更加全面地刻畫出構建在應用層的p2p組通訊;證明了這個問題屬于np - hard ;提出了基於最大度和基於最長路徑兩類啟發式演算法作為解決該問題的途徑。
  20. Abstract : in this article an optimization method is applied to de sign open - type distribution networks. graph theory technology is used. its mathem at ical model considers both the investment of constructing lines and the cost of o peration. the main idea is getting the structure of tree network that meets with the technical constraint conditions and at the same time make the annual cost mi nimum. the examples of simulation show that this method is fast and effective

    文摘:將圖論優化技術應用於配電網路的優化設計，提出了一種適合於開式配電網路規劃的優化方法.所建的數學模型綜合考慮了待建線路的投資和運行費用.求解方法是以圖論中的最短路徑問題為基礎，配合以開式網路潮流演算法，並通過可行路徑的合理變換，得出滿足技術約束條件且使年計算費用取極小值的樹狀網路結構
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