polar system 中文意思是什麼

polar system 解釋
極地登山方式
  • polar : adj 1 (南、北)極的,地極的;近地極的。2 【物、化】(有)極的;磁極的;有磁性的。3 【幾】極線的...
  • system : n 1 體系,系統;分類法;組織;設備,裝置。2 方式;方法;作業方法。3 制度;主義。4 次序,規律。5 ...
  1. Three types of cuticular thickening at the polar region of the guard cells are observed : slight cuticular thickening ; rod - shaped culicular thickening and rarely t - shaped thickening. with data obtained from the former research and personal observation, the cladistic methods were employed for the phylogenetic analysis of data and trees were rooted by out - group comparison using, the related genus kadsura. as result, a new system of the genus schisamdra michaux was reconstructed, and schisandra michaux was subdivided into 2 subgenus, 3 section, 2 series 10 species in this dissertation

    整理有關五味子屬植物研究的資料,補充搜集近期發表的資料和本人研究所得數據,以種為基本單元,選擇近緣的南五味子屬( kadsura )作為外類群,採用paup4 . 0b4a軟體對本研究得出的性狀數據作分支分析,重建五味子屬的系統發育,修訂和補充五味子屬分類系統,在五味子屬下設2亞屬、 3組、 2系、 10種。
  2. Mems ( micro electromechanical system ) has become one of the most rapidly development technologies. along with the rapid development of mems techniques, capacitive sensor is used widely whose capacitance changes small, which has put forward the new request to the measurement technique. the common measure for capacitance measurement is that convert capacitance to voltage, electric current or frequency. the area of polar plate of the capacitor becomes smaller and smaller, and the total capacitance of micro capacitive sensor is usually several pico farad only. as a result, its change amount is smaller

    Mems ( microelectromechanicalsystem )近年來發展最快的技術之一,隨著mems技術的快速發展,電容式加速度計的電容變化變化量越來越小,對檢測技術提出了新的要求。在電容式傳感器中,常用電容檢測電路是將其轉換為電壓、電流或者頻率信號。目前的微型電容傳感器的極板面積變得越來越小,電容總量只有幾個pf ,變化量就更小。
  3. Secondly, the various conic arcs and conies are generated by the rational triangular bezier and the b - spline method in polar coordinates system

    其次,給出圓錐曲線弧及其補弧的三角有理b zier表示;以及任意角度二次曲線弧的極坐標b樣條表示。
  4. Then we extended the theoretical model in atom - diatom system to the system in polar diatom - diatom system

    擴展原有的理論體繫到極性分子-分子體系。
  5. Metropolitan circle is the result of industrialization and urbanization, which is the embodiment of centralization and radialization when the metropolis is developing to a certainty, in order to advance the space and economy to conform, to form a corporate area, fabricating the new type of metropolitan circle in which the metropolis is the core is new topic for discussion of innovative space structure of the big ciry this paper combine the theory expatiation and demonstration analysis with comprehensive and new statistics data, and theory model, and discusses the all - around regional development in chengdu area from a new angle, ie : using space structure model of metropolitan circle to develop the overall enhancement of strength in chengdu first, the thesis defmitudes the concept, connotation, and character of metropolitan circle, after that, it discusses the formative mechanism of metropolitan circle from the factors such as market, institution and ect moreover, from the practice of metropolitan circle ' s development in ho me and abroad, it summarizes the significance of the metropolitan circle form for the economic and social development, as well as the experience for reference and the problems we should pay attention to = based on these theories and practice, it brings forward the necessity and strategic significance of building metropolitan circle in chengdu, and analysis its possibilities, it also makes a research on the model of this circle, it innovatively brings forth that the double - polar circle structure of central city - sub central city - satellite town should be builded, through the establishment of index system, the sphere of metropolis circle in chengdu can be set which means the central city, sub center city and satellite town are sett it also analysis how to determine the gravity between center city and circumjacent area, and discusses the function orientation of center city and satellite town at last, it briefly analyses the transportation designing of suburb and city which are imperative for constructing the metropolitan circle in chengdu

    本文將理論闡述和經驗實證分析與較全面的最新統計資料,以及理論分析模型分析結合起來,從新的角度深入探討成都的區域整體發展,即以都市圈的空間結構模式促進成都整體實力的全面提高。本論文首先明確了都市圈的概念、內涵及特徵,從市場、等因素探討了都市圈的形成機理,並從國內外都市圈的發展實踐中,總結出都市圈這種空間形式所引起的經濟和社會發展的意義所在,以及我們值得借鑒的經驗和需要注意的問題。在此理論和實踐基礎上,提出構建成都都市圈的必要性及戰略意義,分析其可能性;並且對如何構建成都都市圈模式進行了探討,主要是創新性提出構建中心城市-副中心城市-衛星城鎮的雙極圈域結構,並通過指標體系的建立以確定成都都市圈的范圍,即中心城市、副中心城市和衛星城鎮的確定,以及測定中心城市與周邊地區的引力大小,以及對中心城市和衛星城鎮的功能定位進行了探討。
  6. The paper abstracts out the palmprint mainline characteristic owing to palmprint image gradation by the gray value characteristic property method, defining the online palmprint characteristic space with the form of the polar coordinate and compressing the dimension, at last we use the neural network to accomplish the design of identification authentication system with the on - line palmprint as the mating algorithm. based on this, a fast and reliable system of identification authentication can be built

    採用基於掌紋圖像灰度特性的方法提取出掌紋的主線特徵,以極坐標的形式定義在線掌紋的特徵空間並降維處理,最後用神經網路作為匹配演算法完成在線掌紋身份驗證系統的設計,以此為基礎建立了快速、可靠的新型身份認證系統。
  7. Terra and aqua are polar - orbiting satellites of the earth observing system operated by the u. s. national aeronautics and space administration nasa

    Terra及aqua屬於美國太空總署地球觀測系統的兩顆極地軌道衛星。
  8. B ) to give full play to the government ' s role of macro - management and coordinating, reforming the examine and approve system, improving the insurance systems for investments abroad, fully utilizing the financial means to support the private - owned enterprises " investment abroad. on the other hand, the socialization service system for the small and middle - sized private - owned enterprises should be made perfectly and innovation ability of private - owned enterprises should be cultivated as soon as possible, c ) to build up the foreign exchange control system, which is adapted to the need of international market, d ) to perfect the financial service system and support the private - owned enterprises " investments abroad, that is to raise the financial institutions " supports for the small and middle - sized private enterprises ; to develop the small and middle - sized financial institutions actively which can coordinate well with th e private - owned enterprises ; to set up multi - polar stock rights investment structure ; to perfect the risk inves

    本文第四部分也是文章的中心部分,主要對民營企業開展對外投資提出了若干建議: 1 、加快出臺與對外投資相關的法律法規; 2 、充分發揮政府的宏觀管理和協調作用,改革審批制度、健全對外投資保險制度、充分利用財政及金融手段支持民營企業對外投資、完善中小民營企業的社會化服務體系以及加快培育民營企業的創新能力; 3 、建立適應國際市場需要的外匯管理制度; 4 、完善金融服務體系,支持民營企業對外投資,建立多極化股權投資體制,健全風內容提要險投資體系以及大力發展中小民營企業信用擔保體系。
  9. The properties of the key optical and electrical devices and the controlling mode in the system are put forwards. using the polar coordinate lines with different directions and the circulars with the same axis can be written together. by using he - cd laser ( 442nm ) as writing light source, the system can directly write line with width 05 # m on a sample

    本文的主要目的是建立了一種極坐標和直角坐標相結合的激光直寫系統的原理樣機,探討系統的各部分器件的基本性能要求,為今後研製高精度激光直寫系統做好工作基礎,分析了激光直寫系統中關鍵器件的性能要求,基本控制方式,實現了極坐標方式下,任意旋轉角度直線圖形與共心圓環的光刻。
  10. Fitts " law was extended to two - dimensional polar coordinate system, and based on this, a method on human movement quality evaluation was proposed. indices of gait symmetry, indices of difficulty and indices of performance for human upper limbs were defined and combined with other indices to form a set of systematic indices of movement quality evaluation

    將fitts定律推廣到二維極坐標下,並以此為基礎建立了矢狀面內的人體運動質量評定方法,定義了上肢運動的難度指標、執行度指標和下肢運動的對稱性指標,提出了一套能反映運動質量各方面情況且具有普遍意義的運動質量評價指標。
  11. Organic bentonite - yh - 938 serial introduction yh - 938 organic bentonite apply to middle polar solvent system, it has very good thickening property in xylene, alcohols, ketone, or their composition solvent. in solvent which contain alcohols or esters, it enjoy the leading place in thickening and viscidity in china

    Yh 938有機膨潤土適用於中極性溶劑體系,二甲苯,重芳烴,醋酸丁酯,酮類,醇類和他們的混合溶劑中具有良好的增稠流變性能,特別是在含醇或含醇溶劑體系中增稠粘度屬國內領先。
  12. A discretization equation is derived by using a finite volume method in three - dimensional cylindrical polar coordinate system. algebraic equations are solved by iteration with a line - by - line method that is a combination of tdma in axial and radial directions, ctdma in tangential direction and adi method in three directions. the pressure and velocity coupling are solved with the simple algorithm

    在三維圓柱坐標下,利用有限體積法推導離散方程;在軸向與徑向用三對角矩陣法( tdma ) ,在周向採用循環三對角矩陣法( ctdma ) ,採用交替方向亞鬆弛疊代法( adi )求解方程;推導同位網格下的壓力修正方程,用simple演算法處理速度與壓力的耦合;為加速收斂,採用適當的鬆弛因子。
  13. On the one hand, with the disintegration of the soviet union, the end of the bi - polar pattern after the sudden change of the east europe and the development of the domestic market economy & the profound social transformation, the chinese original ideology system has been challenged ; on the other hand, the chinese nationalism thought emerged in the academic field as a independent speech and has produced much influence over social life with many a nationalism movement

    一方面,伴隨著國際上蘇聯解體、東歐巨變之後的兩極格局的終結以及國內市場經濟的發展和社會的深入轉型,中國原有的意識形態體系受到了挑戰;另一方面,中國的民族主義思潮開始以一種獨立的話語姿態出現在學術界,且伴隨著一次次民族主義運動,對社會生活的諸多方面發生著影響。
  14. This paper provides the general equations of the theoretical contour line and the actual contour line of roller translation follower and roller oscillating follower disc cam in the polar coordinates system and the rectangular coordinates system, respectively. the equations are not only fit for the different layouts of the relative position of follower and cam, but also fit for the different types of cam contour

    分別給出了滾子直動從動件和滾子擺動從動件盤形凸輪的理論廓線及實際廓線在極坐標系與直角坐標系下的通用方程,它們對于從動件與凸輪相對位置的不同布局方式及凸輪輪廓的不同類型均適用
  15. Preface : the space system in the traditional settlement of china is a structure - clarity and meaningful system. the polar - area has very important function in keeping the settlement steady, and the study on the polar - area is the important content in the settlement studies

    引言:中國傳統聚落中的空間體系是結構清晰、價值取向明確的系統。而其中,聚落極域在維持聚落穩定完整上有十分重要的作用,對它的研究是傳統聚落研究中的重要內容。
  16. Auto - e - focus system means that voltage of focus polar can be auto adjusted. and auto - optics - focus system means that the optic system composed of screen of projection tube microscope and area ccd can be auto focus

    自動電聚焦指對投影管聚焦極電壓的自動調整,而自動光學聚焦系統是指對投影管發光屏?顯微鏡? ccd組成的光學系統的自動聚焦。
  17. Based on chaos critical state detection method, two approaches are used : one is that making a pretreatment on dsss signal to take out the period information of the signal. the other is that starting from the analysis of the sensitivity of duffing system to ambi - polar square wave modulated by sine signal, the

    通過兩種途徑:對信號進行預處理,提取出其中的周期信息,轉化為單頻信號檢測;從研究duffing振子對方波調制信號的敏感性出發,全面分析其中的間歇混沌現象,實現信噪比- 20db以下dsss信號的檢測。
  18. Polar filler are used in normal phase chromatographic system, among which, silicon gel is the most commonly used

    正相色譜系統使用極性填充劑,常用的填充劑有硅膠等。
  19. Organic bentonite - yh - 958 introduction : yh - 958 organic bentonite is the self - active organic bentonite. it can be added in every step of compounding paint, it no needs pre - gel or polar activator, it has perfect rheological, anti - settling and sag prevention. besides the characters of the other yh bentonite, yh - 958 function well in high gravity, low viscosity pigment solvent system

    Yh - 958和978產品是國內首創的自活化有機膨潤土,可在調漆的任何階段加入,無需預凝膠和極性活化劑,分散細度可在20um以下,可用於面漆和底漆,提供油漆體系理想的流變性能,控制沉降和流掛,除具備同類產品的特點以外, yh - 958在較少添加量,低粘度的高比重顏料體系中形成微弱的絮凝結構,防止顏料沉結
  20. In our approach, the approximated center of object is selected from the references images and a polar - coordinate system is set up for the object

    該演算法充分利用了極坐標表示的簡潔,將三維求交重建運算轉化到球面上,獲得了較高的建模效率。
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