文叉點 的英文怎麼說

中文拼音 [wénchādiǎn]
文叉點 英文
corner point
  • : Ⅰ名詞1 (字) character; script; writing 2 (文字) language 3 (文章) literary composition; wri...
  • : 叉動詞[方言] (擋住, 卡住) block up; jam
  • : 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「、」)...
  1. With the rapid development of economy in china, vehicle volume is increasing heavily. therefore, the consequent traffic problems of traffic congestion, traffic accidents and environment pollution become a headache of city managers. intersection as the hinge of city traffic system, vehicles, pedestrians and bicycles join together in the intersection

    依託國家自然科學基金重項目《城市路網動態交通管理與控制關鍵理論及其模擬技術研究》和國家自然科學基金項目《混合交通中的機非沖突機理與基本參數研究》 ,對平面交口轉彎車流交通組織優化方法進行了研究。
  2. In the background of knowledge economy, this paper discusses knowledge management, an interdisciplinary frontier subject which includes philosophy of science and technology, management philosophy and social philosophy. this paper also investigates the knowledge management thoughts of peter drucker who is a leading figure of empiricist with double character of theory and practice among modern western managerialists

    在知識經濟的背景下,捕捉一個科學技術哲學、管理哲學、社會哲學相交的理論前沿論題? ?知識管理作為研究對象,在現代西方管理學家當中選擇一個具有理論與實踐雙重品格的經驗主義學派代表人物德魯克作為切入,對他的知識管理思想進行研究和探討。
  3. The paper will study the upper questions based on the two interconnection networks. first, we give a fault - tolerant routing algorithm under the connectivity of the crossed cube in o ( n ) time and the length of the longest routing path ; second, with the rapid progress in vlsi, the failing probability of processors and links is very low, the traditional connectivity underestimates the resilience of large networks / here by applying the concept " conditional connectivity " introduce by harary, we show that the n - crossed cube can tolerate up to 2n - 3 ( n > 2 ) processors failure and remain connected provide that all the neighbors of each processor do not ' fail at the same time, the result is the same as the hypercube. we also give a related algorithm in o ( n ) time, and the length of the longest path ; third, we apply cluster faun tolerance introduced by q. - p

    根據menger定理, n -維交立方體可以容納n - 1個故障頂,我們給出了它的時間復雜度為o ( n )的容錯路由選擇演算法及其最長路徑長度分析;在此基礎上本證明, n -維交立方體的條件連通度為2n - 2 ( n 2 ) ,並給出了相應時間復雜度為o ( n )的演算法及其最長路徑長度;除此之外,本還證明當n -維交立方體中的故障簇個數不大於n - 1 ,其直徑不大於1 ,故障頂總數不超過2n - 3 ( n 2 )時,交立方體中任兩個無故障頂都至少有一條可靠路徑。
  4. Firstly the patterns of the multifingered hands are detailed, eight patterns are defined. the classical bayes method is used in the classification of pre - grasp of multiple fingers based on three patterns which are grasping, holding and pinching. based on the eight pre - grasp patterns, bp neural network is applied in the classification of the pre - grasp of multifingered hands and gets a good effect. the method solves the shortcoming input sample relying on the propobility density and simplified the un - insititution characters extraction. in this paper, support vector machine ( svm ) and binary - tree with clustering is applied in the classification. this method can solve the slow speed and effect with fewness sample in the classification, achieving a good effect. in this papper, we extract the characters of the regulation object with geometry characters and extact the unregulation object with the image analysis

    此法解決了輸入樣本依賴物體的概率密度的特,簡化了分類特徵提取的不直觀性。本還採用了支持向量機( svm )和聚類二樹相結合的方法對機器人手預抓取八類模式進行分類,解決了預抓取模式分類訓練速度過慢以及在分類中樣本數量偏少而影響分類效果的問題,得到了較高的正確率。本對預抓取幾何形狀規則的物體採用直接提取其幾何特徵,對于預抓取幾何形狀不規則的物體採用圖像分析的方法進行特徵提取。
  5. In this thesis, founding on the study of the feature of the communication system in maglev train, the design principia of the communication system in maglev train is brought forward. after understanding the feature of the communication system and the induction signal in maglev train, the advantage and disadvantage of several binary modulating and demodulating methods is studied. then, two communication system based on parallel cable and crossed induction coils is put forward

    分析了磁浮列車通信系統的特,提出了設計磁浮列車通信系統需要遵循的原則,針對磁浮列車通信系統和感應信號的特,對比了多種二進制調制解調方式的特和優,提出了基於平行電纜和交回線的兩種無線感應通信系統。
  6. At present, the cities face a lot of problems, among which the depravation of ecological environment and the beating of the urban spirit should be considered firstly. fortunately, the urban recreational square can slove both problems, and its meaning is great

    城市發展到現階段,面臨很多問題,其中城市生態環境惡化,人環境冷落的現象令人憂慮,而城市休閑廣場是改善當前城市中生態環境、人環境等問題的交,其意義重大。
  7. The diurnal constituents at some of the crossover points and all of the semi - diurnal constituents at all of the crossover points as well as 16 tidal gauge data are assimilated in the ocean model, this is because the assimilation of the diurnal constituents at some crossover points make the result worse. the improvement is 36 % for m2, 54 % for s2, 42 % for k, 30 % for 01 compared with the results of dynamic model without assimilation. in the stratified ocean, mixing controls the intensity of the ocean current

    為了克服交上全日分潮精度較低的局限,中主要將半日分潮同化進模式中,而全日分潮只在部分交上進行了同化,同時同化了沿岸16個驗潮站的調和常數,同化高度計資料和沿岸資料后, m _ 2 、 s _ 2 、 k _ 1 、 o _ 1四個主要分潮的結果精度分別提高36 、 48 、 20 、 12 。
  8. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題,本在分析葉片內部通道冷卻的流動與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶排擾流片、帶傾斜擾流片的矩形直通道的幾何模型,計算了冷卻空氣通過這幾種通道時的流動與換熱情況,得到了各種不同情況下計算區域的溫度場、壓力場、速度場;在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾數和阻力因子與雷諾數的函數關系;本研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設計可以起到指導的作用。
  9. According to the present status of studying the solar flare using gps, a new algorithm of processing gps data studying the solar flare is brought forward : after the instrumental bias has been determined, with the data of dual - frequency gps code and phase and navigation message, the vtec at the satellite ' s epp can be worked out

    根據現在研究太陽耀斑的實際情況,提出了利用gps研究太陽耀斑的數據處理方法:利用雙頻觀測值確定出儀器偏差后,再利用碼和相位觀測值,結合導航電就可以求出電離層交的沿天頂方向上的電子總量vtec值。
  10. Thus the key in the composition of entrance examination is to seek an ideal cross point of openness and limitation as well as explicitness and implicitness to assure the candidates of a fair and reasonable space of writing

    故高考作命題亟須解決的是尋求開放與限制、明示與蘊藉的最佳交,以保證考生有一個合理公正的能充分體現個性的寫作空間。
  11. With metal fatigue in material mechanics, this paper deduces the limestone fatigue curve of longmen grottoes by means of marble s one within the error permission. by the experiment elects the crucial factors of current vibration environment in longmen grottoes, the author contrasts the result of the experiment with its fatigue curve referred above and analyses the fatigue effect of longmen grottoes. finally, it is pointed out that after longmen grottoes have being suffered weathering and water - erosion more than 1500 years, the vibration environment is becoming an crucial factor leads to fatigue effect, especially in those weak surface carvings just like the crossings of several rifts, serious weathering places, etc

    借鑒材料力學中金屬疲勞破壞的研究手段,在誤差允許范圍內用大理巖疲勞曲線推導出門石窟石灰巖疲勞曲線。通過對石窟實際振動環境中典型要素的抽取和振動試驗,將試驗結果與疲勞曲線進行對比,分析了門石窟的疲勞破壞效應。章指出,在經歷了1500多年的風化和流水溶蝕后,振動環境已成為導致門石窟某些薄弱如多條裂隙交嚴重風化酥解的壁面雕刻品等產生疲勞破壞的重要誘發因素。
  12. Consequently, the paper investigates the following aspects about the network adjustment theory and practice for airborne gravimetry, m oreover, some questions correlated with solving the adjustment problem are discussed in detail. 1. based on actualities of airborne gravimetry, two practical methods of searching crossovers are proposed, i

    為此,本從以下幾個方面對航空重力測量測線網平差的理論與方法及相關內容進行研究,並得出若干初步結論: 1 、結合航空重力測量的實際情況,提出了兩種實用的交搜索方法,即跳躍搜索法和圖形輔助搜索法。
  13. The calculation of ttc involves network limitations due to thermal and voltage stability limits. network limitations are to be calculation not only for the current operating but also for a worse case that could occur due to a set of contingency cases, which require huge amount of computation

    以連續潮流技術為基礎,提出了考慮各種約束條件的電力系統區域間最大輸電能力的分析與計算,考慮了電力系統運行中鞍型分造成的靜態電壓穩定性約束條件等的計算。
  14. Simultaneously, enhancement of the cross section must has had been played an important role in astrophysical nuclear process. we investigate the s - process of nucleosynthesis of heavy element of astrophysics and give a group of analytic solutions for the s - process. to check up the analytic solutions, we calculate the n distributing of the heavy element of s - process in solar system and the result is good agreement with astronomic measurement

    我們研究了天體重元素核合成的s ?過程,給出了s ?過程網路方程的一個解析解,作為對本解析解的檢驗,我們計算了太陽系的s ?過程重元素豐度的n分佈,計算結果與天觀測符合的較好;另外,我們還計算了s ?過程的典型分~ ( 85 ) kr處各個核素的豐度變化,與已有的結果符合的較好。
  15. Firstly, thinning character images may bring not only the elimination of image information redundancy but also the predigestion of character recognize pick - up procession and the improvement of its veracity and speediness by a long way

    主要工作如下:首先,針對當前漢字識別細化演算法中存在的交分離及筆段變短等問題,提出了一種基於字元邊界的細化演算法。
  16. Through the appraisal of the western diversified design styles and design methods, from the macro view with the aesthetic angle, it is expected that the intersection between the western and chinese upholstery development can be found. based on the conclusion in the paper, the theory of the modern interior design that steeped in " integrated context with tradition " can therefore be justified

    探討在當前西方室內設計多元化的思潮影響下的風格流派和設計手法,從審美的宏觀角度探尋中西方室內設計化發展的可能的交,論述重傳統「語境」現代室內設計的現實意義和前景。
  17. Finally it takes an example to demonstrate the contributions that the appraisal theory makes to media literacy by means of teaching english from news / magazines

    首先簡單介紹評價理論,然後論證了評價理論研究與媒介素養研究的交,最後分析了一篇英語報刊章以展示評價理論在英語報刊教學中對媒介素養教育的貢獻。
  18. This paper emphatically researches some typical search algorithms based on block matching of motion estimation, such as 155, fss, tdl, cs and ds. aimed at questions existing in these algorithms, under the elicitation of man vision system, the author designs a new integrative pattem ( sdp ) ftom the bionic view, which shows a parallel processing idea of coarse location and accurate orientation, and then presents a new square - diamond search ( sds ) algorithm for block matching motion estimation. the results of experiment prove that not only the new sos is much faster than above traditional algorithms, but also its psnr and visual quality of the retrieval images are better than those of other algorithms, and as nearly good as that of fs

    研究了三步法( tss ) 、四步法( fss ) 、二維對數法( tdl ) 、交法( cs )和菱形法( ds )等經典的基於塊匹配的運動估值演算法;針對它們存在的問題,在人眼視覺系統的啟發下,從仿生學的角度設計了一種新的綜合模板( sdp ) ,它體現了粗定位和準確定位并行處理的思想,在此基礎上提出了一種新的用於塊匹配的搜索演算法?正方形?菱形搜索( sds )演算法;實驗證明:該演算法的搜索速度比fs 、 tss 、 fss 、 tdl 、 cs和ds都快,而且根據運動矢量恢復出的圖像在psnr和主觀視覺效果方面都和fs相當,比其它演算法要好。
  19. Abstract : in this paper, the feature of time - bifurcation for plate - beam stability is studied by mechanics model of plate - beam structure of rock in compression. the instability time of plate - beam is dependent on the rock material feature. delay bulking occurs under some load. the formula of time - bifurcation is given. the mechanisms of roadway floor heave and delay rockburst are preliminarity discussed

    摘:採用巖石板裂梁的縱向受壓的力學模型,考慮深部巖石的流變性,分析了板梁穩定性的時間分特性.板梁失穩與巖體的流變性質密切相關,在一定載荷下,經歷一段時間后會發生延遲失穩,給出了時間分的計算式.並對深部礦井延遲性巖爆發生機制進行了初步分析
  20. Considering the number of the feature points extracted in different images is not equal and their locations are also not corresponding, the scheme presents the closest interval criterion and the svd algorithm to accurately register the retinal images. in order to meet the practical requirements of image registration precision and speed, the paper describes the maximal correlation objective function and uses the simplex - simulated annealing algorithm to optimize the parameter

    在基於特徵對應性圖像配準演算法中,利用多方向探測方法準確提取了視網膜圖像中的血管交和分枝,對于提取得到的配準及參考圖像特徵之間非對應性且數目不等這一配準演算法中不可避免的問題,本提出了距離最近標準和svd分解方法,有效的解決了這一問題。
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