original topography 中文意思是什麼

original topography 解釋
原地形
  • original : adj 1 原始的，固有的，本來的；最初的，初期的。2 原物的，原本的，原文的，原圖的。3 獨創的，創造性...
  • topography : n. 地誌；地形（測量）學；地形，地勢；地勢圖；（物產的）分佈狀況；【解剖學】局部解剖學。
  1. In the skeleton extraction, an novel approach for extracting the skeletons directly from the gray images is developed by simulating the procedure of water eroding the topography surface. the resultant skeletons are single - pixel width and connected. it also lies in the middle line of the object and keeps the topological properties of the original image unchanged

    在骨架提取方面，論文提出了一種通過模擬水流沖刷地形表面的過程來直接從灰度圖象中提取目標的骨架的高效演算法，它可以得到連通的、保持目標的拓撲屬性的、處在目標的中線上的、近似單象素寬度的骨架。
  2. A preliminary study on the species composition, ecological characteristics and present distribution of vegetations in mengyang area, the largest part of xishuangbanna nature reserve, shows that there are 7 vegetation types, 15 formations, 24 community types in this area. the vegetation map was made by using gis software ( arc / info ), and the area and distribution pattern of each community was obtained. the subtropical monsoon evergreen broad leaved forest occupies the largest part, with an area of 41. 26 % of the whole, and the tropical rain forest occupies less than 10 % of the whole area. according to the topography, altitude, climate characters and present distribution of the vegetation, and based on the landscape type map, an original vegetation map under natural conditions was obtained, which could provid a theory for the vegetation restoration, especially for the tropical rain forest and its habitat, and for the development of the nature reserve

    對西雙版納勐養自然保護區植被的類型進行了劃分，包括人工和自然群落，共有7個大類、 15個群系、 24個群落類型分佈.對每個類型的主要組成種類、生態特徵和分佈現狀進行了初步研究.利用地理信息系統軟體制取植被圖並獲得了各種植被類型的分佈面積和分佈格局特徵，這一地區亞熱帶季風常綠闊葉林的分佈面積和所佔比例最大，達總面積的41 . 26 % ;而熱帶雨林面積不超過總面積的10 % .依據地形、海拔、氣候和現狀植被分佈的規律，在獲得景觀類型圖的基礎上，得到了可以反映這一地區在完全自然條件下植被可能分佈的狀況的還原植被圖，為保護區的發展和植被的恢復提供了理論依據。
  3. Aerial photograph is original resource of the photogrammetry and the revision of topography maps, image quality directly affects the precision of mapping, work efficiency, economy index and the reliability of image interpretation. so it is necessary to take some techniques to insure image quality

    航攝像片是攝影測量和修編地圖的原始資料，它的質量對于成圖精度、工作效率、經濟指標以及判讀的可靠性有著決定性的影響，所以在航空攝影及攝影處理的各個工序中應創造出一切條件，使得航攝像片具備良好的質量，滿足攝影測量的需要。
  4. Compared with the original elm, the numerical experiments show that the improved elm has lower numerical dissipation, higher accuracy, and better performance over steep topography

    數值試驗表明，改進后的歐拉拉格朗日方法在水深變化劇烈處比改進前的數值耗散更小、精度更高和表現更合理。
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