equal-area 中文意思是什麼

equal-area 解釋
adj. 形容詞 等區的〈繪制地圖投影上,子午線與緯線間地區按比例等於地球表面相應地區〉。

  • equal : adj 1 相等的;平等的,均等的 (to; with); 同等的;公平的;一樣的。2 平靜的;平穩的。3 勢均力敵的...
  • area : n. 1. 面積;平地;地面。2. 空地;〈英國〉地下室前的空地。3. 地區,地方;〈比喻〉區域;范圍。
  1. The computational results of the particle images are agreement with the simulated datain reasonable, the most absolute difference of the displacement is 0. 6671 pixel at the x abscissa and 0. 7928 pixel at y abscissa ; the computational results are equal to the data form the algorithm of particle brightness - distribution pattern tracking ( the conventional cross - correlation algorithm ) at voluminous points, their discrepancy is only one pixel at few points, mostly in boundary area

    西安理工大學碩士學位論文最後,在visualfortran環境下給出了這種演算法的具體實現,處理模擬粒子圖像的結果與模擬數據比較吻合,最大位移絕對誤差在x方向是0 . 6671像素,在y方向是0 . 7928像素;計算結果與示蹤粒子灰度分佈模板法(基本的互相關法)在絕大部分點是相同的,只在少數點相差一個像素,而且大多出現在邊界區域。
  2. A metric unit of area equal to10 ares

    十公畝面積的公制單位之一,等於十公畝
  3. Azimuthal equal area projection

    等積方位投影
  4. A unit of retinal illumination, equal to the amount of light that reaches the retina through 1 square millimeter of pupil area from a surface having a brightness of 1 candela per square meter

    光度視網膜亮度單位,相當于每平方米有一燭光亮度的表面,通過一平方毫米的瞳孔區域,到達視網膜的光線數量
  5. Equal-area projections are preferred for statistical mapping.

    等面積投影通常均優先用於統計制圖。
  6. The relationship between the holding temperature and the average of the equal - area - circle diameter or the average of the roundness was parabolic

    而等溫溫度對最終球化組織的平均等積圓直徑和平均球化度的影響呈拋物線關系。
  7. Ill 2, xi ' an university of technology 2. at the same holding temperature, when the holding time increased, the equal - area - circle diameter trended to uniform, and the distribution of the roundness approached to gaussian distribution

    2 、相同等溫溫度條件下,改變等溫時間,等積圓直徑的分佈隨時間的延長趨向均勻,晶粒球化度接近於正態分佈。
  8. 3. at the same holding time, when the holding temperature changed, the number of the long equal - area - circle diameter grain increased, and the average of the equal - area - circle diameter lengthened, the average of the roundness heightened

    3 、相同保溫時間條件下,改變等溫溫度,等積圓直徑大的晶粒隨溫度的升高而增加,球狀化程度高的晶粒數增多,平均等積圓直徑和平均球化度同時增大。
  9. First calculation method : doing horizontal projection drawing on drawing piece, k value is introduced by area equation of projection drawing, k value is obtained by area equation, along outline of projection drawing to add k value, that is, outline shape of blank drawing, principle area - equal and shape similar are used. second calculation method : along outline of drawing piece horizontal projection drawing, to do normal line of penetration line for wantonly point of this point, to obtain high of drawing piece on this point normal line, point and point is to form outline shape of blank

    計算方法之一為k值法:作拉深件水平投影圖,在該投影圖面積方程中引入k值,利用面積相等原理解方程,求得k值,沿水平投影外沿加上k值,即為毛坯圖的外廓形狀。計算方法之二為拉深線法:沿拉深件水平投影圖外廓,在任意點作該點切線的法線,在該法線上以該點拉深件的高度為量,在法線上取截點。
  10. The area of a trapezoid is equal to the product of its altitude and half the sum of its bases.

    梯形的面積等於其高與其兩底和的一半的乘積。
  11. Here a number of factors must be taken into consideration, such as the environmental standard of the area where the engine room is located, the fender structure of the engine room as well as the engine type, power level and the cooling air volume, etc. the core of the overall control is the concept of " equal sound insulation ", which means to apply a closed fender structure to isolate the engine unit from outside parts so as to cut the outward sound radiation

    經過多年來與環保部門的合作,對油機房進行消噪聲處理,積累了一些治理經驗,主要是必須根據具體的機房項目來確定相應的控制方案,這其中應考慮機房所在區域的環境標準,機房圍護結構形式及油機機型、功率、冷卻風量等因素。綜合控制的核心是等隔聲概念,即用一封閉的圍護結構將機組與外界隔離開來,減少聲源對外的聲輻射。
  12. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    應用透光率脈動檢測技術和光散射顆粒粒度分析儀( pda ) ,通過理論分析,將pda的輸出信號之一? ?平均透光強度(對應于dc值)作為原水的特性表徵參數, dc值可以同時反映顆粒濃度和比表面積因素的影響,試驗結果證明, dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系: dc = cs _ p ~ d ,式中c 、 d為經驗系數,進而得到了以dc值為參數的高分子絮凝劑投藥量公式: d = f ( dc ) = e ( dc ) ~ f ,式中: e 、 f為經驗系數,平均相關系數達0 . 981 ,利用所建立的公式,建立了前饋? ?后饋聯合控制的在線自動投藥模型。
  13. It shows that the method suggested in the paper is simple, applicable for engineering and has good precision. on the bases of the formulas deduced, and combining with relative test datas, it studies in the paper several factors influencing the bearing performance of the simple beams, such as shape of the external tendons, the equal moment segment length, span - to - depth ratio of the beam, valid initial prestress of the external tendons, area of the internal tension reinforcement, strength of the concrete, vertical distance between

    在公式推導的基礎上,結合相關試驗資料,研究了體外筋的形狀、等彎矩區長度、梁跨高比、有效張拉預應力、體內受拉筋配筋率、混凝土強度、錨固點到樑上邊緣在垂直方向上的距離、體外預應力筋水平段長度(雙折線型體外筋的情況)以及荷載類型等對體外預應力混凝土簡支梁受力性能的影響。
  14. The average of the equal - area - circle diameter was changed from long to short and then to long, to short at last, as a wave. the average of the roundness was changed from low to high and to low again, as para - curve

    平均等積圓直徑由大變小再變大再變小,呈波浪狀變化;而晶粒平均球化度則由小變大再變小,呈拋物線狀。
  15. Today it is 7 per cent and asia now has 23 per cent - soon to equal the euro area

    而今這一指標已經達到7 % ,整個亞洲是23 % -不久亞洲國際貿易總額將與歐洲地區相持平。
  16. In this study, two geometric correction methods are introduced. based on the characteristics of modis data, geo - location of the experimental area, and the error distribution patterns of different projections, we conclude that the albers conical equal area projection is feasible for the geometric correction

    並對製作我國modis遙感影像圖時的投影方式選取問題進行了討論,通過分析modis數據的特點和用途、根據應用區域的地理位置以及各種投影方式的誤差分佈模式,確定在幾何校正的過程中使用亞爾勃斯( albers )等積圓錐投影。
  17. On the assumption of ignoring the distortion of thickness, this paper determines the rough shape by the geometric modeling method of equal area developing using mixed mesh cell of triangle and quadrangle for the first time, presents the equal area developing arithmetic of quadrangle - triangle. on the virtual geometric symmetry axis, we puts forward the method of determining the developed coordinate of the point on the base band in the development of using regular quadrangle cell, determines the developed shape of internal structure in plane utilizing point - to - point mapping theory. furthermore, we realize the approximate developing of undeveloped - irregular boundary surface using a few triangle cells

    本文結合型號研製中小曲率機翼整體壁板類零件坯料展開課題,基於板料厚向變形忽略不計的先驗假設,首創混合四邊形-三角形網格等面積展開的幾何模擬法確定壁板類零件毛坯外形,給出了混合四邊形-三角形網格等面積展開演算法;提出了虛擬分割線的概念,採用虛擬幾何對稱軸,給出了規整四邊形單元展開基帶上結點的計算方法;採用映射原理和求交演算法確定了壁板內部結構信息的展開定位。
  18. Under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special - shaped columns ", " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter. analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force ". results indicate : ( 1 ) based on equal area, the special - shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis - compress ratio is smaller than 0. 08. the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3. 6, the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special - shaped columns structure system, should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result

    西安理工大學碩士學位論文在水平地震作用下,並考慮風荷載組合,分別對「矩形柱純框架結構」 、 「異型柱純框架結構」 、 「異型柱框一析架結構」及「異型柱框-剪結構」等四種結構體系,通過改變結構參數,運用空間有限元方法,進行地震作用計算。系統地分析研究「結構振型」 、 「振動周期」 、 「結構側向剛度」 、 「結構地震反應力」 、 「樓層地震剪力」 、 「結構側向位移」 、 「層間位移角」 ,以及「構件內力」 。結果表明:在等面積原則下,異型柱代換矩形柱后,結構剛度增大,側向位移明顯減小,地震反應力略有增加,框架柱軸壓比最大增幅小於8 % ,結構整體抗震性能有所提高;當異型柱肢長肢厚比小於等於3 . 6時,結構有利於抗震;水平地震作用力與整體坐標夾角為0度時,結構地震作用效應較大,屬結構設計的控制因素之一;異型柱框一析架結構採用「人」字斜撐,側向剛度大於「八」字斜撐和「人一八」字混合斜撐;異型柱框一剪結構側向剛度大、位移小,構件內力增大適中,是一種抗震性能優越的結構體系:在抗震設防烈度較高地區( 8度)和抗震不利的建築場地( m類場地) ,採用異型柱結構體系時,應盡可能減輕結構自重,降低地震作用力;分別採用「振型分解反應譜」法和「時程分析」法進行地震作用計算,兩種方法所得結果基本一致。
  19. Based on the experiments, the simulation of the heat exchanger and scroll compressor was accomplished which also offered a favorable condition to the establishment of the whole gwshp methods were used to improve the veracity and astringency of the model, such as : dividing the condenser into several tiny segment with equal area ; separating the condensing process into single - phase region and double - phase region ; the comparing result showed that most of the error between the data of simulation and experiment was within 5 % while the maximal error was 8. 35 %

    在建模過程中,從大量蒸發和冷凝的換熱關聯式中,通過與實驗數據的比較找出了與實驗結果最為接近的換熱關聯式在建模過程中,針對冷凝器及板式換熱器的特點,採取將冷凝器按面積分成若干個微元段,並將冷凝過程分成單相區和兩相區的方法。同時對渦旋壓縮機進行建模和分析同時在熱力學平衡基礎上與實驗數據比較,經過驗證,對于換熱器模型,模擬計算與實驗結果的誤差一般都在5以內,最大為12 。
  20. The paper discusses a method that produces the spwm ( sine pulse width modulation ) waveform in detail, which is the changed equal - area arithmetic and compares with the equal - area arithmetic, and analyzes the harmonic that produced by the arithmetic, discusses the problem of dead - time and gives the resolvent

    文中詳細討論了生成spwm波的一種改進的等面積演算法的原理,進行了諧波分析,並和等面積演算法進行了比較,討論了死區問題和解決方法。
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