線元 的英文怎麼說

中文拼音 [xiànyuán]
線元 英文
line element
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  1. And it can be divided into four phases of urban tourism of china, in which there are different characteristics. ( 2 ) the evolutive rules of urban tourism of china are as follows : 1 ) the exoteric extent of tourism notion is more and more swell ; 2 ) the form of urban tourism renovate with the development of cities ; 3 ) the layout of urban tourism inner and outer is from close and complanate to exoteric and tridimensional ; 4 ) the sustaining system of urban tourism is from absent to as clear as a bell, and will reach a rational and advanced extent. 5 ) the social delamination of urban tourism is form stern to syncretic ; 6 ) the evolvement tendency of urban tourism should be generalized as a curve of accumbent " s ", which present a course makes up of low - grade development, high - speed development and balanced development

    主要觀點歸納如下: ( 1 )城市旅遊是基於城市的發展而發展的,中國城市旅遊可分為古代、近代、現代和后現代四個階段,分別對應於前工業文明時期的城市旅遊、工業文明萌芽時期的城市旅遊、全面建設工業文明和后工業文明因素初露端倪時期的城市旅遊,以及邁向信息時代的城市旅遊,其間體現出不同的城市旅遊發展特徵; ( 2 )經歷不同發展的時期,中國城市旅遊表現出如下的演進規律: 1 )城市旅遊觀念開放程度逐漸增強,對城市旅遊的容納度日趨加大,對城市旅遊地位的認識從忽視到關注再成為生活的必要因素; 2 )旅遊形式從單一走向多,新的旅遊形式隨城市發展層出不窮; 3 )城市旅遊的內外部空間聯系從封閉平面走向開放立體,達到網路化、連綿化、分區化、立體化布局; 4 )城市旅遊支持系統從缺失走向健全,達到理性高端; 5 )城市旅遊社會分層從森嚴走向融合,經歷了「小眾旅遊」 、 「大眾旅遊」 ,最終發展到「全民旅遊」 ; 6 )城市旅遊產業演變態勢可以概括為一條橫臥的「 s 」曲,表現為低開?高走?平穩發展。
  2. The algorithms estimate the doa of the broadband distributed source fron the secondary diagonal elements of the covariance matrices generated from every frequency domain of the received broadband signals, thus avoiding unwrapping of phases

    該類演算法首先將陣列接收的寬帶信號變換到頻率域,然後對于每個頻率形成陣列接收信號協方差陣,最後由該協方差陣的次對角線元素估計寬帶分佈源的到達角,其主要特點是避免了相位展開。
  3. The exact expression is n = 4 ", in which n is the stage of koch curve. since we only consider one generator in computation process, so we simplify it as n = 4 ). the critical point of this kind of koch curve is zero, also called zero temperature phase transition, and this is the character of all the limited branching systems

    無分支科赫曲是一種典型的分形,前人的研究都局限於n = 4 ( n是用線元,面,或體覆蓋分形系統所需要的覆蓋次數,確切的應該寫成n = 4 ~ n ,其中n為科赫曲的級,但我們在重整化群計算時只考慮一個生成,所以簡化為n = 4 )情況,這種科赫曲的相變點為零,是一種零溫相變,這也是有限分岔系統的相變特徵。
  4. The subsection integral is used to get a simple function at first in the numerical calculation, and boundary integral is realized by gauss integral on each panel and line, then the complexity and isstability as a result of the high frequency surge function can be avoided

    數值計算中,首先採用分部積分對被積函數進行簡化處理,然後採用高斯積分實現面線元上的積分,避免了被積函數為高頻振蕩函數所帶來的數值計算的復雜性和不確定性。
  5. In two - view case, a method is presented for calculation 2d projective transformation and construction the virtual elements by combination of spatial points and lines. so more 3d invariants of object ' s spatial structures can be extracted from real elements and virtual eleme nts. ( 3 ) the geometric characteristics of 2d symmetric objects " in perspective images are lucubrated

    ( 2 )擴展了2d射影變換矩陣的求解方法,將單純利用點集對應的計算模式擴展到利用直集、點組合等多種類型來建立兩個射影平面的對應關系;總結了平面上基於點、直線元素可求解的多種3d不變量;提出了雙視圖下由點、直線元素的多種對應關系求解2d射影變換來構造「虛素」的方法,結合「實素」和「虛素」可以提取更多的空間3d不變量。
  6. Further a sketch grammar knowledge base is built on the research of the line - elements relation. based on the design intention from the sketch context, the possible spatial or geometric relations among the line - elements are assured, and the related constraints are fixed on the fines. then disorder sketch is arranged regularly

    通過分析總結草圖線元關系即草圖文法,構建了草圖文法知識規則庫,在此基礎上通過獲取草圖上下文內容來推理捕捉設計師的意圖,確定條之間可能的幾何關系,施加相應約束,使凌亂的線元得到規整。
  7. Multiple signals caused by reflections might be a liability for uwb wireless units as well, but clever design can permit them to take advantage of the phenomenon

    反射所導致的多路徑訊號,對超寬頻無線元件來說也可能成為不利條件,但精巧的設計卻可以善加利用這種現象。
  8. Packaging of leadless components on continuous tapes for automatic handling

    自動裝配用無引線元器件的帶式包裝
  9. Sketch beautification, including line - elements spatial relations analysis and constraints adding, is performed through a kbs ( knowledge based system ) with a blackboard

    草圖規整通過一個帶有黑板結構的知識庫系統來實現,它主要包括線元空間關系分析和約束施加兩部分。
  10. In the first segment for antenna design, the antenna unit structures and its parameter are analyzed

    第一部分的微帶天陣的設計中,首先是理論分析線元的基本結構及其相應參數的分析。
  11. Characteristics of on - line metacognitive regulating ability under cognitive context

    認知操作背景下在線元認知調節能力的特徵
  12. Non - linear adjustment model of three - dimensional coordinate transformation

    線元不確定性的綜合量化
  13. 2007 office system driver : data connectivity components

    2007 office system驅動程式:資料連線元
  14. Xps measurement results exhibited that no detectable fe2 + existed in the compound of a ~ fe2os doped with sn4 +, which suggest that oxygen anions or cation vacancies not only can compensate the charge balance but also significantly enhance the gas - sensitivity of a - fe2o3 based gas sensors. ( 3 ) conductive type of a - fe2o3 doped with sn4 + is showed in the n - type by hall measurement and gas - sensitivity measurement. the results of measurements and characterizations suggest that the sensitive mechanism of the a - fe2o3 based nano - materials prepared by this work be the surface resistance controlled mode

    ( 3 )首次進行了霍爾測量,並結合氣敏測試結果,從不同方面證實了摻錫- fe _ 2o _ 3納米半導體的導電類型是n型;綜合粉體的電導率?溫度曲件的電阻?加熱電流特徵曲件在不同氣氛下的電阻特性以及比表面積等測試表徵結果,得出本文所製成的- fe _ 2o _ 3基氣敏件的氣敏機理特徵屬于表面控制型。
  15. Characteristic line element

    特徵線元
  16. Variable line element acquisition technique and its application in coalfield seismic prospecting

    煤田地震勘探中的可變線元採集技術及其應用
  17. By studying the iges data exchange standard and analyzing iges files produced by the preprocessors of cad systems, comprehend basic line elements and basic face elements constituting parts and summarize the means to get data information of parts and assemblies. 2

    通過對iges數據交換標準本身的研究,分析比較由cad系統的前處理器生成的iges文件,了解組成零件的基本線元和基本面的實體類型,總結出從iges文件中提取零件和裝配體數據信息的方法。
  18. This would replace the previously proposed lantau north south road link between tai ho wan and mui wo, which was found to have an unacceptable environmental impact. other major road projects under planning include the central - wan chai bypass and island eastern corridor link, route 7 between aberdeen and kennedy town, and route 10 between the yuen long highway and north lantau

    其他規劃中的主要道路工程,包括中環灣仔繞道和東區走廊連接路、七號干香港仔至堅尼地城段,以及十號干朗公路至北大嶼山段) 。
  19. Jiangjia jpa series is a miniature antenna element for global positioning systems ( gps )

    Jpa系列是用於全球定位系統( gps )的小型天線元件。
  20. The on - line stroke recognition algorithm can recognize the rough strokes and transform them into three basic geometric line - elements, including straight line, arc and b - spline

    筆劃的在識別主要是將原始筆劃轉換為規則的基本幾何線元,即直條,圓弧,和樣條曲
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