比例尺確定 的英文怎麼說

中文拼音 [chǐquèdìng]
比例尺確定 英文
scale determination
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : 尺名詞[音樂] (中國民族音樂音階上的一級 樂譜上用做記音符號 參看「工尺」) a note of the scale in ...
  • : 形容詞1. (符合事實; 真實) true; reliable; authentic 2. (堅固; 堅定) firm
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • 比例 : 1. (長度上縮小和放大的倍數) scale; scaling 2. (比率) proportion; ratio; proportionality
  • 確定 : 1. (明確地定下) define; fix; determine; ascertain 2. (明確而肯定) definite; certain; for sure
  1. By calculating large quantity of examples, this text studies earthquake resistant behavior of tapered portal frame with pined bases and analyzes its natural frequency, natural period of vibration and vibration mode. by comparing interior forces of pillar top, beam end and span midpoint in two conditions that seismic action effect participates combination of forces and not when portal frame is n ' t changed, ensure conditions that combination of seismic action effect has controlling f unction during tapered portal frame design, and tapered portal frame demands anti - earthquake design

    本文通過大量算分析,研究柱腳鉸接楔形變截面門式剛架的抗震性能,並對其自振頻率、振型進行了分析;通過較地震作用效應參與荷載組合與不參與荷載組合兩種情況下,樑柱截面寸不變時,柱上端、梁端、跨中截面處的內力大小,在什麼情況下地震作用效應組合起控製作用,變截面門式剛架需要進行抗震設計。
  2. Applying the basic theories of spatial data mining and geomorphology, taking the loess plateau of north shaanxi province, china as the research area, this dissertation explored the theories and systematic structures of geomorphologic data mining and acknowledge discovery from dems, ascertained the systematic structures of topographic factors and synthetic topographic acknowledge, as well as systemically summarized mining algorithms from dems. the author pa id more attention also to analyze the principle and algorithm of flow length, curvature, relief, the earth ' s surface incision and gully density. in this research, the elementary constitutes and mining algorithms of regional character acknowledge in the loess plateau were probed

    本研究在廣泛總結前人研究成果與研究經驗的基礎上,利用空間數據挖掘和地形地貌學的基本理論,以陜北黃土高原多地貌類型區為實驗樣區,以1 10000dem為樣本數據,探討了dem中地形地貌數據挖掘與知識發現的理論方法和體系結構;了宏觀和微觀地形因子、地形綜合特徵知識的體系結構;系統總結了dem基本地形因子的提取演算法,並重點對坡長、曲率、地形的起伏度、切割深度和溝壑密度因子提取的原理與演算法作了深入的分析;提出了黃土高原地區區域特徵知識的基本構成及其系統完整、科學可行的挖掘提取演算法;擴充了arcviewgis軟體平臺中dem空間分析的基本功能;實現了以delphi7 . 0為平臺的地形信息輔助挖掘系統的設計與開發;完成了對黃土高原多地貌類型區(樣區)地形信息空間分異特徵的分析。
  3. The data got from the shooting tests, conversed by the theory of similitude and eliminated the system errors, were compared with the data from the approval test in the national shooting field. it verified that the full parameters artillery physical simulation theory was right. it verified that the huge rate model design and madding methods were reliable

    把模型炮實驗獲得的數據,按相似理論換算,並消除相似畸變帶來的試驗誤差后,與原型炮在國家靶場型試驗的結果較,證明了創建的火炮全參數物理模擬理論的正性;證明所採取的大模型的設計方法和製造手段的可靠性;證明用縮的模型炮代替副炮進行多項目綜合物理模擬試驗技術是成功的。
  4. Article 8 the state shall establish a nationwide unified geodetic coordinate system, plane coordinate system, vertical system, geocentric coordinate system and gravimetric system, and define the classification of orders and classes and precision of the national geodetic survey, as well as the national basic scale map series and their basic precision

    第八條國家建立全國統一的大地坐標系統、平面坐標系統、高程系統、地心坐標系統和重力測量系統,國家大地測量等級和精度,以及國家基本地圖的系列和基本精度。
  5. So i t is essential to define the scale, and the corresponding level of detail, of the land use plan. this should be

    因此,必須基於現有遙感資料的特性,主要是其空間和光譜解析度,來土地利用圖的和細節度。
  6. Adopting archimedes number arq as similarity standard, the author determine every kind of similarity scale according to geometry scale 1 / 18 and other limit condition, at the same time, complete organization of model essence, simulation heat source system, design and arrangement of air supply and exhaust system according to every kind of similarity scale

    採用熱量阿基米德數arq作為相似準則,按照1 / 18的幾何以及其他制約條件各種相似。根據各種相似完成模型本體結構、模擬熱源系統及模型送排風系統的設計和配置。
  7. Based on the automatic interpretation of spatial image and the actuality of present production, this paper studied the semiautomatic extraction and precise orientation of region, and emphatically solved the problem of typical region ( such as large residential area ^ water area > plant area ) semiautomatic extraction and accurate boundary orientation. the key technique is some correlative techniques, such as target pattern extraction character matching > boundary refinement etc. the main achievements of this paper are the follows : 1

    本文從影像理解和目前生產作業的實際出發,以面狀目標的半自動提取與精位為研究內容,重點解決了中小全色遙感影像中一些典型面狀地物(如大面積的居民地、水域、植被等)高精度地半自動目標分割與邊界精位的問題,其關鍵點是目標模式提取、特徵匹配、邊界精化等一系列相關技術。
  8. To facilitate comparisons between the trials, the relative ( proportional ) reduction of postoperative opioid administration and the relative reduction of postoperative pain were calculated on defined pain scales

    為了便於在各試驗間進行較,通過的疼痛度來計算相對的(成的)術后阿片類藥物需要的減少量以及術后疼痛的相對減少量。
  9. The results of landscape classification indicate that the classification of function and configuration of rural landscape is a comprehensive and applied method which can meet the requirements of both rural landscape planning and rural landscape mapping of large scale, further, embody the characteristics of rural landscape in china. its landscape units which are classified by physiognomy and land use unit not only take on obvious characteristics of spatial configurations and relative single land utilization types, but also its classification indicators can be quantified easily

    研究結果表明,該方法能夠反映實際存在的各種景觀類型,充分考慮到了影響鄉村景觀類型的自然因素和人為因素,所劃分得景觀類型單元具有明顯的空間形態特徵和相對單一的土地利用方式,邊界較易;能夠滿足大鄉村景觀規劃和制圖的需要,體現了鄉村景觀的特點,是一種較綜合的實用性方法。
  10. In this paper, taking the loess plateau of china as a sample region, all the factors which are related to the soil and water loss are analyzed ; the assessment indices ( model parameters ) are defined ; and the data with different origins are integrated using gis ; finally, the soil loss model for this region is set up

    本文以黃土高原地區為,結合影響水土流失的各個因子,分析了該區的自然特徵,了進行區域水土流失評價的各項指標(模型參數) ,並運用gis ,集成了多種來源、多種和多種類型的數據,建立了該區的水土流失宏觀量評價模型。
  11. Both the simplex method and the dfp method are referred to compare the efficiency of the direct search methods with that of the gradient methods. the differential method of stochastic fem is used to calculate the gradient of the objective function hi dfp method. firstly, deterministic fem for seepage is introduced systematically and stochastic fem for seepage is presented

    為了對直接法和梯度法的計算效率,本文採用兩種優化方法對滲透系數的性反演問題進行了探討:單純形法和變度法,在分析算的基礎上,筆者就這兩種優化方法的效率和穩性等方面的問題提出自己的觀點。
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