polar circle 中文意思是什麼

polar circle 解釋
北圈
  • 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...
  • circle : n 1 圓;圓周;圈;環;環狀物。2 圓形場地,馬戲場;(鐵路的)環行交叉口;(體育場的)圓形看臺;(...
  1. In the long run, this association has been a fruitful one as jj ' s modest " lip ruin " took him from south africa to the polar circle, from havana to shanghai, from the mississippi delta to the paris opera

    十年的光景,米爾多憑著「受傷的嘴唇」 、從北極圈走到南非,從上海走到哈瓦那,甚至走到了巴黎歌劇院的舞臺。
  2. 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。
  3. Then, the minimum circumscribed circle and shape principal orientation of the object region are calculated ; and the object region is divided into some blocks in the polar coordinate, which uses the center of the minimum circumscribed circle as the origin and the direction of the shape principal orientation as the direction of the polar axis, and the features of all subblocks are extracted to compose shape histograms and then smoothed ; then, combined with global features to synthetically represent the content of the image ; finally, a new image similarity is used to compute the distance between images

    首先對商標圖像進行預處理,得到規則二值圖像;計算目標像素的最小外接圓和圖像的形狀主方向;在以最小外接圓圓心為原點、形狀主方向為極軸方向的極坐標中將圖像分塊,提取各子塊特徵,構成形狀直方圖並平滑處理;再結合全局形狀特徵來綜合表示圖像內容;最後採用新的相似性度量方法計算圖像間距離,實現商標圖像的準確檢索。
  4. Learned, but i still can not escape the future of the circle rather like timor penguin every year to stay in the wind and snow in south polar, and they last three months

    吸取了教訓,但日後依然逃脫不了發傻的圈子,就像帝企鵝每年都要傻乎乎地呆在南極的寒風雪中,而且一呆就是3個月,一個動不動。
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