等高差 的英文怎麼說

中文拼音 [děnggāochā]
等高差 英文
equation of equal altitude
  • 等 : Ⅰ量詞1 （等級） class; grade; rank 2 （種; 類） kind; sort; type Ⅱ形容詞（程度或數量上相同） equa...
  • 高 : Ⅰ形容詞1 （從下向上距離大; 離地面遠） tall; high 2 （在一般標準或平均程度之上; 等級在上的） above...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 等高 : equal altitude [height]; accordant
  1. The basic concept of terrain information content is proposed after an overall review of existing research achievement. applying a series of analysis and data processing method, like math - analysis, mathematical statistics, comparative, error visualizing, this paper carefully investigated the terrain information content characteristic of dems of 1 : 50000 map scale of loess plateau area

    本文在對前人已有研究成果進行系統總結的基礎上，首先明確了dem地形信息容量的基本概念，並運用數學分析、數理統計、比較分析、誤差地圖等方法，以海拔高程與等高線為研究對象，以1 ： 1萬比例尺dem為參考真值，探討了黃土丘陵溝壑區1 ： 5萬dem的地形信息容量特徵。
  2. According to the engineering practice, the theoretical basis and method that survey directly the horizontal distance and height difference by the total station system as fourth grade and below fourth grade control network are put forward instead of surveying slant distance and zenith distance

    摘要根據工程實踐，提出了用全站儀直接測量平距、高差來代替測斜距、天頂距作四等及四等以下控制網測量的理論依據和方法，並以張河灣抽水蓄能電站施工控制網為例進行了比較計算。
  3. H. 26l has such advantages as high compression rate, strong error resilience capacity, high adaptability and so on

    該標準具有壓縮率高、差錯恢復能力強、適用范圍廣等優點。
  4. As the latest standard in video codec field, h. 264 has such advantage as high compression rate, strong erroe resilience capacity, highly adaptability and so on

    作為視頻編解碼領域的最新標準， h . 264具有壓縮率高、差錯恢復能力強、適用范圍廣等優點。
  5. The indifference curve may be compared with a contour line on a map.

    無差別曲線可以與地圖上的等高線相比擬。
  6. They noted that while 1 - year survival rates have increased over the years, " death rates beyond this period have remained more or less the same. " this may be the case because, while surgery has improved, patients undergoing the procedure today include older and sicker individuals, and more " marginal " liver grafts are sometimes used due to the shortage of donated organs

    一年成活率提高了，但是死亡率在此之上仍然沒啥改變，可能是因為，雖然手術技術提高，但是因此接受移植患者的年齡，病況都比以前高/差，因為器官缺乏，肝源沒有以前好等因素造成。
  7. Some features of the engineering control network demand special applications of gps in road and bridge engineering, for example, particular requirement of accuracy on some aspect that results in distribution of net points and sometimes bigger height difference of points, consideration of staking out in construction in the design of engineering control network, application of independent engineering coordinate system, and use of engineering mean height surface as the projection surface of computation

    由於工程式控制制網的一些自身特性，如施工控制網要考慮施工放樣的方便，或某一方面精度的特定要求，網點分佈不夠均勻，點間高差有時較大；採用工程獨立坐標系，並且往往以工程平均高程面為計算投影面等等，使得gps在路橋工程中的應用也有一些特殊性。
  8. Thirdly, in term of the results of testing and calculation, the displacement and libration, the difference of altitude, the flexibility and strain of crane - beams are all generally analysed, especially the reason why the crane - beams are attaint is lucubrated, and the reasons why the trigging pole is ruptured, the upper wingspan is damaged, the orbital movement, the exceptional incline of colums are open out, which has instructional significances that improve the design of the steel frame of the coke made by dry flameout

    第三，根據檢測和計算結果，對鋼框架的位移和振動、框架高差、吊車梁撓度和應變等進行了全面的分析，特別對吊車梁系統的損傷原因進行了深入分析，揭示了制動桿件斷裂、上翼緣磨損、軌道竄動、柱異常傾斜等一系列損傷現象的原因，對于改進干熄焦鋼框架的設計有著直接的指導意義。
  9. The thesis summarizes the basic theories of price discrimination, expatiated on the multi - class differential pricing method and dynamic differential pricing theory ; concludes the factors that have impacts on tickets - price, analyses and classfies the factors ; brings forward a canonical method of market segmentation, introduces the process of market segmentation based on the model of gray relative level, discusses the idiographic measure of ticket - price control ; improves the academic achievements of former scholars, puts forward a model of multi - class dynamic differential pricing for the air passenger transport, which is based on the maximum revenue for the airline industry, and gives a approximate arithmetic of the model, then showes the application of the model and its feasibility on increasing airline industry ’ s revenue by 25 models

    在對民航定價的國內外研究現狀進行綜述的基礎上，從經濟學角度介紹差別定價的基本理論，闡述民航客運的多等級差別定價理論和動態差別定價理論;對民航票價的影響因素進行分類說明;作為多等級定價的基礎，提出市場細分的標準和方法，用灰色關聯度模型解決航空旅客市場細分問題，並提出票價控制的具體措施;引入一種旅客到達頻率預測的統計方法，以航空公司收益最大化為目標，建立基於多等級定價基礎上的動態差別定價模型，即多等級動態差別定價模型，給出模型的遞歸演算法，通過對動態差別定價模型的運行結果進行分析，建立模型的一種近似模型，並且用25個簡單算例說明模型的用法以及在提高航空公司收益方面的可行性。
  10. Abstract : a preliminary investigation was made on hearth damage of a number of furnaces in china, and the analysis and discussion are presented for reasons of hearth damage in this paper. the main reasons of ring crack of the hearth are : 1. improper physical and chemical properties of baked carbon bricks. 2. the thermal stress existing in carbon bricks, alumina bricks and the furnace shell. the formation of the ring crack aggravates the abnormal erosion of the hearth

    文摘:結合鞍鋼2號和7號等高爐和2號高爐的調查結果，對國內部分高爐爐缸破損情況進行初步調查，對爐缸破損原因做了初步分析和討論，認為造成我國高爐爐缸環形斷裂的主要原因是由於碳磚自身物化性能差以及爐缸碳磚和高爐爐殼之間的熱應力；環裂的出現加劇了爐缸的異常侵蝕。
  11. Dimensional error in nc turning caused by the differ of the setting highnessof the workpiece and the cutting tool

    切削刃與工件旋轉中心不等高的幾何誤差分析
  12. Connecting to the model test, some suggestions, important for design, are put foward, for example, the chute width of intermediate outlet should be constant ; the optimum height difference of drop between intermediate outlet and surface outlet should be larger than the water depth at intermediate outlet ; and the type of drop should be changed with the characteristics of certain project

    結合試驗結果，提出中孔泄槽以等寬或微收縮為宜、表中孔最優坎高差應大於中孔水流的主流水深、跌坎形式的選擇應結合具體工程特點等建議。
  13. After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves

    在討論了基於時域有限差分法和完全匹配層技術的數值模擬方法之後，首先從運動電荷和電力線的角度直觀地描述了脈沖電磁波的輻射過程，然後進一步從場與電荷相互作用的角度分析了天線上電荷是如何被加速以及如何維持其運動狀態的，指出了開放空間中突然出現的時變電場（位移電流）是脈沖電磁波輻射的根本原因.文中還對局部電阻加載的天線和局部彎曲的天線進行了研究，以進一步說明上述觀點.對多種情況下的脈沖輻射過程進行了數值模擬，並給出了電場的等高線和空間波形圖，這些圖形對理解脈沖電磁波的輻射機理非常有益
  14. ( 2 ) the losses of organic carbon, nitrogen, phosphorus and potassium were different in different farming systems. this losses of these elements according to respective farming systems was the following order : tradition > grass stripe > contour ditch > fallow > contour dam. compared with traditional fanning practices, others farming systems reduced losses of organic carbon, nitrogen, phosphorus and potassium and losses in contour dam, contour and fallow were much less than grass stripe and contour ditch

    （ 2 ）不同農作措施徑流小區有機碳、氮、磷、鉀流失差異明顯，有機碳、氮、磷、鉀流失總量的順序為：順坡農作水平草帶水平溝休閑等高土埂，同順坡農作相比，其他農作措施均有減少有機碳、氮、磷、鉀流失的作用，以等高土埂、等高農作、休閑處理減少土壤有機碳、氮、磷、鉀流失的效果較好。
  15. Many functions such as field information map, contrastive map of yearly yield, prescription map, etc. can be made. in order to improve using accuracy of agricultural gps, by analyzing the error of point, polyline, polygon, several methods are produced such as arithmetic average value, least squares, adding control points, etc. their principles, features and limitations are also analyzed and discussed. the mathematic model of average error method included in adding control points is established

    為了進一步提高農用gps的使用精度，研究了提高精度的方法，通過對點、線、面等誤差的分析，提出了應用算術平均值法、最小二乘法、加入控制點法等多種提高精度的方法，分析和討論了它們的原理、特點與應用局限性，並建立了加入控制點法中的誤差平差法的數學模型。
  16. The paper discuss the way to this question and want to explain the question by neural networks and ga with the help of projection arithmetic. the algorithm uses complexion model to detect karst object. first, the paper introduce the important of the research. then the paper understand the algorithm of patterm recognition and apply it to the images of remote sensing in jinping karst area

    因此，本文先歸納和分析了當前遙感圖象處理與模式識別的典型演算法，然後利用目前流行的神經網路與遺傳演算法結合高斯-克呂格投影等平差分析演算法進行遙感圖象中的巖溶地物信息模式識別。
  17. In this thesis, the contour track method faced to dem data, which is based on the thought that translates the contour information to dem data, is put forward, and one effective inserted inside algorithm that relates on the contour interpolation generating dem data is found

    本文旨在將地形圖中等高線信息快速轉化為格網dem數據，提出了面向dem數據提取的等高線跟蹤方法，以及一種利用等高線內插生成dem數據的有效演算法，最後實現了一個完整的dem數據提取與誤差分析系統。
  18. The results of this excellent students " ratio and passing grades ratis effectively, it help to improve the scholastis attainments of the students ; it can take advantage to improve the study interest of subjects and divert the study manner of the students ; it can enhance helpfully to develop the self - consciousness of students ; it can improve the scholastic attainments of the excellent students obviously, improve the scholastic attainments of the medium students extremely, but it can not improve the scholastic attainments of the inferior students

    得出了幾個方面的結論：在實驗班能有效提高優生率、及格率，有利於提高學業成績；有利於提高學生學習興趣和轉變學習態度；有利於提高學生的主體意識；能明顯提高優生的成績，極明顯提高中等生的成績，但不能提高差生的成績。對實踐操作作了探討和論述，驗證了本課題的可行性。
  19. Shiphandling simulator is a device that can partly imitate the true environment at sea ， and is specially designed to satisfy marine education and trains and maritime research etc. one of its key techniques is to create the virtual environment at sea ， and the terrain is its important component. according to the needs of the real time visual display of the shiphandling simulator ， this paper analyses the requirements of the geometry precision of the important islands and background hills which are within the ships ' visible scope ， and brings forward the modeling methods of the hill ' s pileup and the hill ' s silhouette edges based on contour lines. it also presents the definition of error that the hill ' s silhouette edges graph has been given and the effective scope of application ， and firstly established the error criterion of terrain model that is built in shiphandling simulator. with these two kinds of method ， the size of data storage can be minimized greatly ， and the requirements of high update rate and geometry precision for the real time visual display of the shiphandling simulator can be satisfied

    船舶操縱模擬器是一種能夠部分模仿海上真實情況，專門為滿足航海教育與培訓、航海技術研究等目的而設計研製的裝置，其核心技術之一是海上視景模擬，而地形地貌是海上視景中的重要組成部分.根據船舶操縱模擬器實時視景顯示的需要，在分析航行船舶對可視范圍內重要島嶼與背景山脈的幾何精度要求的基礎上，提出了基於等高線的山形堆積建模和山形輪廓建模方法，並給出了山形輪廓圖形的誤差定義、有效適用范圍，以及船舶操縱模擬器中地形建模的誤差準則，該方法生成圖形的數據量較小，其圖形更新速率與幾何精度能達到船舶操縱模擬器實時視景顯示的要求
  20. Minqe and umvique of the covariance matrix in an extended growth curve model

    橢球等高分佈情形下擴展增長曲線模型中協差陣的最優估計
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