頂點分類 的英文怎麼說

中文拼音 [dǐngdiǎnfēnlèi]
頂點分類 英文
vertex level
  • : i 名詞(人體或物體的最上部) crown; peak; top Ⅱ動詞1 (用頭支承) carry on the head 2 (從下面拱...
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ名1 (許多相似或相同的事物的綜合; 種類) class; category; kind; type 2 (姓氏) a surname Ⅱ動詞...
  • 頂點 : apex; zenith; acme; vertex; corner; tip top; pinnacle; acnode; perfoot; top; grand climax; full; ...
  1. This thesis taking the lead in systematically studying pleurocarpous mosses, is a part of the comprehensive research of bryophytes in hebei, which will provide datum for the statistics and analysis of bryophytes along with exploit and utility of plant resources in hebei, which will provide the first - hand material for the compilation of the ( ( flora bryophytarum hebeiensis ) ) and the ( ( flora bryophytarum sinicorum ) ). on classification system, the author references the classification systems about bryophytes and approves standpoint of vitt., considering that the place of capsule growing is the criterion of distinguishing acrocarpous and pleurocarpous mosses

    本研究採用了陳邦傑教授( 1963 )修正的reimers ( 1932 )關于蘚綱植物的系統,同時,支持h . d . mitten ( 1984 )的觀,認為劃蒴和側蒴蘚植物的依據是孢子體著生的位置,其中側蒴蘚植物是指蒴柄從葉腋中發生非著生莖的蘚植物,系統上指從虎尾蘚科( hdwigiaceae ) ?塔蘚科( hylocomiaceae )等。
  2. 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集,並根據不同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。
  3. According to their space position, the seismic features of shallow gas in this region can be divided into three groups : ( 1 ) features in the stratum : acoustic blanket, acoustic curtains, acoustic turbidity, irregular strong top reflection boundary, and phase pull - down in both flanks ; ( 2 ) features of the seabed : seabed pockmark and giant sunken pit ; ( 3 ) features in the seawater column : acoustic plumes, cloudy turbidity and point - line - type reflection

    該區的淺層氣地震特徵按空間位置為3大: ( 1 )地層中的特徵:聲學空白、聲學幕、聲學擾動、不規則強反射界面、兩側相位下拉; ( 2 )海底面的特徵:海底麻坑、大型塌陷坑; ( 3 )海水層中的特徵:聲學羽流、雲狀擾動、劃線反射。
  4. It decides the protective objectives for different ecological reserve area based on the study of channel wetlands and survey and analysis of top - grade species ( fishes ) of the yellow river : from the point of the basin, the main ecological protective objectives of the tipper stream are vegetation and forest for conservation of water supply ; soil and water conservation is the main in the middle reaches for vegetation protection and rehabilitation and ; the lower reaches takes types of wetlands protection and wetlands area maintenance as the main, protecting biodiversity and important birds resources

    在黃河河道濕地研究和黃河水體內級物種(魚)的調查析基礎上,確定了黃河不同型生態保護區的生態保護目標:從流域角度而言,黃河上游的主要生態保護目標是植被和水源涵養林;中游應以水土保持為主,主要是恢復和保護植被;下游以保護濕地型和維持濕地面積為重,保護生物多樣性和重要鳥資源。
  5. All the results can be utilized by engineers, during the designing and construction. the main conclusions are listed as follows : ( 1 ) based on the shortest line between weak interbed and limit of excavation and the location of point of intersection between limit of excavation, classification of weak interbed distribution is set up, and the distance of distribution is defined ; ( 2 ) according to the strength and deformation equivalent principle, influence zone of weak interbed is introduced, and a new method to simulating the weak interbed with thickness is built ; ( 3 ) some quantificational results on influence of weak interbed respectively at crown, right shoulder and right wall are summarized ; ( 4 ) some quantificational results on influence of weak interbed with the distance between weak interbed and limit of excavation 0. 2d, 0. 5d, l. od are gained ; ( 5 ) some quantificational results on influence of weak interbed in the rock mass with confining coefficient 0. 38, 1. 0, 1. 5, 2. 0, 3. 0 are summed up ; ( 6 ) some quantificational results are summarized on influence of the underground surrounding rock mass stability with weak interbed, in the representational surrounding rock mass graded ii, iii, iv ; ( 7 ) according to the studying results some advices are suggested on designing of underground engineering

    主要結論如下: ( 1 )以軟弱夾層到開挖輪廓線最短距離和最短距離線與開挖輪廓線的交位置為指標對軟弱夾層的佈部進行了,並確定了軟弱夾層佈距離; ( 2 )根據強度等效和變形等效的原則,引入了軟弱夾層影響帶的概念,建立了模擬軟弱夾層厚度的一種新方法; ( 3 )總結出了軟弱夾層佈在拱、右拱肩、右邊墻時對地下洞室穩定性影響的量化指標; ( 4 )析出了軟弱夾層距開挖輪廓線0 . 2d 、 0 . 5d 、 1 . 0d三種情況對地下洞室穩定性影響的量化指標; ( 5 )總結出了在不同的側壓力系數( 0 . 38 、 1 . 0 、 1 . 5 、 2 . 0 、 3 . 0 )地應力場中軟弱夾層對穩定性影響的量化指標; ( 6 )得出了在、 、代表性圍巖中軟弱夾層對穩定性影響量化結果; ( 7 )根據數值試驗成果提出了在有軟弱夾層圍巖中地下洞室設計原則的幾新內容。
  6. The montane elfin forest could be divided into 5 kinds, samples of nearby sites had strong comparability, the more close the place was, the more similar vegetation type and environmental factor were, the smaller the difference of the sample was

    矮林可劃為5,樣方的相似基本與取樣的地相一致,地越相近,植被型和環境因子越相似,樣本的差異性越小。
  7. In the molecular orbital theory, the molecule of the conjugated hydrocarbons considered generally can be represented in carbon - atom skeleton graph, the character of this kind of graphs is that all vertices have degree no greater than three and have a perfect matching

    子軌道理論中,所考慮的共軛碳氫化合物的子常用碳原子骨架圖來表示,此圖的特徵是所有的度不超過3 ,並且具有完美匹配。
  8. The results suggest that 1 ) sannella dworakowska should be moved out from typhlocybini to zyginellini ; 2 ) eupteryx complex is a molophyletic group and should be placed in typhlocybini ; 3 ) farynala complex, eupteryx complex and linnavouriana complex were confirmed to be molophyletic respectively which is in accordance with the traditional views. before this study, 44 genera and 6 subgenera, 502species of typhlocybini are found over the world, of which 20 genera and 87 species are known in china

    結果表明: 1 )圓小葉蟬屬sannelladworakowska在嚴格合意樹上位於樹的根部而與小葉蟬族其它屬的共同支平行,不屬于本族; 2 )蒿小葉蟬屬組eupteryxcomplex為一單系群,屬于小葉蟬族; 3 )傳統所提出的除小葉蟬屬組typhlocybacomplex以外的其他幾個屬組(蟠小葉蟬屬組farynalacomplex 、蒿小葉蟬屬組eupteryxcomplex和林氏小葉蟬屬組linnavourianacomplex )為亞單系群的觀成立。
  9. In the case, the background of tinghsin international group and the operations mode of guangzhou tingyi international food co. ltd. are introduced. the kinds and the production process of the brand " mr. kon " are described referring to the competition in instant noodles market, and the production equipment, labor arrangement, and the production plan in workshops of noodles, seasoning packs, and bowls are emphasized. it reflects that the conflict between the variety of products and the specialty of machines in the old production plan procedure restricts the quick response of manufacturing and consequently the supply of products

    案例部,介紹了新國際集團的背景資料;說明了廣州益國際食品有限公司的運作模式;結合方便麵市場競爭形勢,詳細描述了「康師傅」方便麵的種、生產工藝;重闡述了制面、調理、制碗三車間的生產設備、人員結構、生產安排的特;真實反映出:在原生產安排流程中,產品的多樣性與設備的專用性的矛盾制約了生產的快速反應,從而影響產品需求的供應。
  10. The flat - tapped beam has a uniform transversal profile in the near field and a bell - shape profile in the far field. the study of such a type of beam is of practical interest in laser material processing and inertial confinement fusion ( icf )

    佈光束具有近場佈均勻,遠場能量呈鐘形佈的特,在激光材料加工和慣性約束聚變等應用中常需要這種型的光束,所以研究平佈光束的傳輸具有重要的實用價值。
  11. On the basic of classsifying and analysing the probable supporting structures of glass roof, new - type beam string structure using in long - span glass roof is brought forward and the thought and schemes of improvement are advanced

    在對可能用於採光的支承結構進行析其特的基礎上,提出了適用於大跨度玻璃採光的新型張弦梁結構體系,並給出了從一般張弦梁到新型張弦梁的改進過思路及方案。
  12. This thesis contributes to directed cycles in digraphs, including the relations between the girth g ( d ) ( length of the shortest directed cycle ) of d and degrees of vertices of d and between the shortest directed cycle of d and the binding number of d, among which vertex - transitive digraphs are studied in detail

    本篇論文主要研究有向圖中的有向圈,討論有向圖中的圍長g ( d ) (最短有向圈的長度)與圖的度以及結合數之間的關系,並重析了可遷圖
  13. According to the combination of suspen - dome, structural principle, characteristic and types of the structure are described

    其次,根據弦支穹結構的構成,詳細論述了弦支穹結構的原理、特
  14. From the points of view of multiresolution schemes and simplification techniques, those known major algorithms are classified and summarized. a simplification algorithm for terrain models based on the normal vectors of mesh vertices is proposed. its rule of simplification grounds on visual features, error metrics is from normal vectors of mesh vertices and simplifying technique is vertex removal

    從多解析度方案和簡化技術兩個方面對已有的主要方法進行了和總結;提出了一種基於網格法矢量的地形模型簡化演算法,該演算法的簡化準則基於視覺特徵、誤差測度基於網格法矢量、簡化技術則是剔除;在此基礎上,提出了一種與視野相關的地形簡化和繪制方法,該方法通過虛擬的網格包圍球來測度誤差,實現與視野相關的地形簡化。
  15. In section three, the conception of the peterson graph is incited and the fractional chromatic number and the chromatic number of one kind of them are given

    在第三部中介紹了當k = 2時的廣義peterson圖的概念,給出了其中一圖的數色數以及色數。
  16. Combined with that the influence of the prestressed tendon layout on mechanics characteristic of three - span prestressed concrete deck arch bridge is taken into account in these methods, and demand of internal force and displacement in design is satisfied by using upward and downward eccentric layout of prestressed tendon

    這些設計法針對該橋型的特,利用在拱梁中別布置一定數量的上下偏心的預應力筋來優化結構的內力和滿足各部的位移限制要求。
  17. Among all the graphs with n vertices or m edges and some special graphs, the graphs that have minimal or maximal value of the topological index are found

    對于給定數或邊數的簡單連通圖以及在一些特殊圖中,確定了哪些子圖具有最小或最大的拓撲指標值。
  18. More detailed please go to the filed links on top of the page

    詳細內容請參照網頁部的擊閱讀
  19. This paper introduces the development history and structural characteristics of cable dome, which is a new long - span space structure, and classifies cable domes according to their structural characteristics ; discusses the theory, method and progress of the calculation model and fem analysis concerning cable domes, describes the construction method of cable domes, and reviews and forecasts the status of study on cable domes

    摘要介紹一種新型大跨空間結構索穹結構的發展歷程和結構特,並對索穹結構進行了;論述索穹結構在計算模型和有限元析方面的理論、方法和進展;闡述索穹結構的施工方法,並對索穹結構的研究狀況進行回顧與展望。
  20. Combining one or more parameters of a graph, many papers either present some upper embeddable graphs ~ [ 7 - 14 ] that is to say, they present the graphs, whose maximum genus reaches the best upper bound, or, they give a better low bound on the maximum genus of some graphs ~ [ 15 - 31 ] the first major result of this paper is that : combining vertex partition and degree of vertices of graphs, to study the upper embeddablity of graphs

    結合圖的一個或多個參數,許多文獻都給出了若干上可嵌入圖,即給出了最大虧格達到最好上界[ ( g ) 2 ]的圖;或給出一些圖的最大虧格的較好下界。本文的第一個主要結果,根據圖的的度的條件,研究圖的上可嵌入性。
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