tree approach 中文意思是什麼

tree approach 解釋
求樹法
  • tree : n 特里〈姓氏〉。n 1 樹〈主要指喬木,也可指較大的灌木〉。 ★玫瑰可以稱為 bush 也可以稱為 tree 2 木...
  • approach : vt 1 向…接近,走近;使接近。2 探討;看待,對待,處理。3 向…接洽[提議]。4 〈美國〉企圖收買。vi 臨...
  1. Taxus chinensis vsr. mairei population is very oblivious from seeding stage to mature tree stage. the patterns were consistant with the ecological and biological characteristics of form. taxus chinensis var. mairei which were valuable and rare and in severe danger. in this paper, logistic model and liu - logistic model were proposed to approach the growth dynamics of tree basal area of form. taxus chinensis var. mairei population

    南方紅豆杉幼苗表現為較強的聚集分佈,除與種子的散布有關外,生境條件的差異是重要原因之? ,其它發育階段表現為明顯的隨機分佈,表明它在自然群落中分佈的概率很小,反映了南方紅豆杉珍稀瀕危的生態生物學特性和特徵。
  2. In the third section, the asymptotic equipartition property ( aep ) of second order markov chain field on a class of tree is studied by using the analytic approach. a net is constructed on a product space, then some strong laws of large numbers of second order markov chain field are proved by using the differentiation of measure on a net. furthermore, shannon - mcmillan theorem is extended to the case of second order markov chain field

    本文的第三章是用分析的方法研究一類樹上的二重馬氏鏈場的漸進均分割性,為此先構造了一個乘積空間上的網,然後利用網微分法證明了一些二重馬氏鏈場上的大數定律,並將shannon - mcmillan定理推廣到二重馬氏鏈場上。
  3. The tree approach of linear regression models with categorical independent variables

    自變量含有類型變量的線性回歸模型的樹方法
  4. Abstract : the complexity of tree set analysis for network was compared with that of minimum cut set analysis. if was illustrated by an example that the analysis method based on minimum cut set is the best approach for the availability analysis of network

    摘要:對網路分析的樹集分析法與最小割集分析法的復雜性進行了比較,並示例說明以最小割集為基礎進行網路可用性分析是最佳的技術途徑。
  5. Aiming at this problem, the main research issues and achievements in this paper are as follows : bi - directional data transformation between rdb and xml with semantic constraints preserved for most of existing researches on static data transformation between xml and rdb, dtd is taken as the schema description language for xml, and the semantic constraints are often lost during the transformation process. to overcome these disadvantages, the author adopts xml - schema, a standard schema description language proposed by w3c to replace dtd, as the description method owing to its more powerful functions than dtd, and of course with the syntax much more complicated. after analyzing the constraints characteristics in both xml - schema and relational schema, a semantic constraints - preserved algorithm is proposed which can realize the bi - directional schema mapping between rdb and xml through a formalized description of xml based on regular tree and a general expression for relational schema based on direct graph approach

    保留語義約束的xml與rdb雙向靜態數據轉換技術現有研究大多採用dtd ( documenttypedefinition ,文檔類型定義)作為xml的模式描述語言,並且在模式映射過程中丟失語義約束信息,本文分析了xml - schema ( xml - schema採用與dtd完全不同的語法,數據描述能力更強同時也更為復雜,已被w3c確定為替代dtd作為xml模式描述語言的標準)及關系模式的語義約束特徵,通過基於正則樹的xml形式化描述方法以及基於有向圖的一般關系模式表示方法的研究,建立保留語義約束的xml - schema與關系模式的雙向模式映射演算法,實現了xml與rdb的雙向數據轉換,較好地解決了xml與rdb在靜態數據轉換層面的數據集成問題,可有效滿足企業大量rdb數據面向xml的發布以及與日俱增的xml數據存入rdb的應用需求。
  6. 2. dynamically organizing cad graphics information taking the product structure tree as data structure, which links assembly information and geometry information ) the gathering agent can automatically converts assembled relationship into hyperlink relationship of vrml files, so the system could implement a strategy of integrated and visualized sharing approach based on the web - based visualized product structure tree. 3

    產品cad圖形信息的動態組織建立以產品結構樹為中心的數據組織結構,通過採集agent自動地將產品的裝配關系轉化為相關零部件vrml文件間的超鏈接關系,使系統能以「可視化結構樹」的形式進行有效地產品cad圖形信息發布。
  7. By this means, user can recover the model with arbitrary geometry and topology. during the interaction, the reconstructed results can be computed and displayed instantly because we use an optimization - tree based symbolic and numeric hybrid optimization - solving approach

    採用這種方法,系統在接受使用者的交互之後,可以實時地求解幾何參數與照相機投影矩陣,並即時地在一個三維窗口中顯示重建結果,做到真正的所見即所得。
  8. This paper prorides a new approach to determine the interfingering lines of two tree - dimensional objects. this method can be used not only in solving the general interfingering lines, but also the complexed ones

    本文介紹了一種用投影面的垂直面作為輔助平面來求解相貫線,它不但能解決一般相貫線的求解,而且能解決復雜相貫線的求解。
  9. This thesis focuses on techniques of dynamic fault tree in system reliability modeling and its qualitative and quantitative analysis. it studies bdd solution for static sub trees 、 markov chain solution for dynamic sub tree briefly and the modularization of dynamic fault tree ; presents the algorithm for top event occurrence rate of dynamic fault tree based on weibull distribution. then this thesis presents a new approach to solve top event occurrence rate and a new generation algorithm of minimal cut sequence of dynamic fault tree that deviate from markov model completely

    本文著眼于動態故障樹在系統可靠性建模及定性定量分析中的技術,研究了基於bdd的靜態子樹分析方法、基於馬爾可夫模型的動態子樹分析方法以及動態故障樹模塊化方法,並提出了基於威布爾分佈的動態故障樹頂事件發生概率計算方法;提出了一種完全脫離馬爾可夫模型的求解動態故障樹頂事件發生概率的方法和一種最小順序割集的生成方法。
  10. The microsoft time series algorithm uses a linear regression decision tree approach to analyze time - related data, such as monthly sales data or yearly profits

    Microsoft時序演算法使用線性回歸決策樹方法來分析與時間相關的數據,例如,月銷售額數據或年利潤。
  11. Including a message by one or more top directorate management personnel ; notes on management s approach and views regarding specific issues ; excerpts of management level interviews ; pictures of management personnel in action in committee meetings, green events, tree - planting activities, consultation ; etc

    考慮因素:加入一名或多名高層主管人員的獻辭管理層對個別事項的方針及意見管理人員訪問摘錄管理人員參加委員會會議環保活動植樹活動及諮詢會議的照片等
  12. In dtaif model, our research focus on the design of student model, applying knowledge space theories to form the knowledge tree of dtaif model in knowledge representation. using bayes approach, we can find the learning deficiency

    在dtaif模型設計中,重點研究了學生模型的構建,並應用知識空間理論建立了dtaif模型的知識樹,用知識樹完成知識表示;應用貝葉斯方法進行評價診斷,找出學習的不足。
  13. Uncertain decision approaches consist certainty equivalent approach, risk adjusted discount rate approach, sensitivity analysis and decision tree analysis

    不確定性決策方法包括肯定當量法、風險調整貼現率法、敏感性分析法和決策樹法。
  14. The tree - based approach used for jibx code generation ends up constructing methods in this depth - first order anyway, so the duplicate checks work as long as there are no cycles in the method call graphs mutually recursive methods

    Jibx代碼生成所使用的基於樹的方法總能按照深度優先順序構造方法;如果在方法調用圖中沒有循環(方法的相互調用) ,重復檢查是有效的。
  15. It also studies the problem of real option pricing when the underlying assets follow the pure jump poisson, mixed jump - diffusion merton and mean - reversion model, and obtains the price formula or partial differential equation to price and hedge the real option. when the value of real option can not separate from the value of project, or the uncertainties are endogenous to real option holder, it is difficult to pricing the real option by the ways of no - arbitrage. in this paper we present a approach named valuation with comparison, its basic point is to value the project or program with flexibility by means of decision tree analysis ( dta ) and stochastic dynamic programming ( sdp ), and the results are compared with that of non - flexibility, finally,

    當實物期權的價值不能從項目價值中分離出來,或者影響基本資產價格的不確定性內生於期權的持有者時,此時實物期權的價值一般難以直接利用無套利方法得到,本文通過對現有文獻進行歸納,提出一種比較定價法,其基本要點是利用決策樹、動態規劃法或二叉樹模型等技術來確定嵌有柔性的項目或方案的價值,然後將其與沒有柔性的項目或方案進行比較,從而獲得各種柔性的價值,作為這種方法的一個應用,本文研究了柔性勞動合約的設計與定價問題,研究表明,對企業重要員工採用長期勞動合約,而對一般員工採用短期合約可以節約勞動力使用成本。
  16. When other organizations apply for the cutting license, they shall come up with a document that contains such contents as cutting objective, location, tree species, tree situation, area, stock, approach and reforestation measures

    其他單位申請採伐許可證時,必須提出有關採伐的目的、地點、林種、林況、面積、蓄積、方式和更新措施等內容的文件。
  17. A number of tree - walking optimizations are built into this macro, giving you linear - o in big - o notation - efficiencies in processing a given sxml structure ; a naive approach could easily use more memory or cpu time. see resources

    這個宏對樹遍歷進行了一些優化,可以以線性效率用大o表示法為o ( n )處理給定的sxml結構,普通的方法很容易會佔用更多的內存和cpu時間。
  18. Tree construction is a commonly used approach in solving the multicast and group multicast routing problem

    本文主要研究多播和群播路由演算法,即建立滿足各種業務服務質量需求的多播樹。
  19. Aim at the restricted tree - like organization, we have proposed an integration automation approach which makes the database application systems effectively integrated

    摘要針對常見的受限樹狀組織結構,提出能夠使分散在各節點的數據庫應用系統有效集成的一種自動化方法。
  20. The shortest spanning tree approach considers the relationship of the neighbouring pixels, thus improves the robustness and accuracy of the segmentation

    最短生成樹方法考慮相鄰象素的相互關系,可提高分割的魯棒性和準確性。
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