標度尺的數字 的英文怎麼說

中文拼音 [biāodùchǐdeshǔzì]
標度尺的數字 英文
scale numbering
  • 標 : Ⅰ名詞1 [書面語] （樹梢） treetop; the tip of a tree2 （枝節或表面） symptom; outside appearance; ...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 尺 : 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 ...
  • 的 : 4次方是 The fourth power of 2 is direction
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 字 : Ⅰ名詞1 （文字） character; word 2 （字音） pronunciation 3 （字體） form of a written or printed ...
  • 數字 : 1. （表示數目的文字; 表示數目的符號） figure; digit; numeral; character; numeric character 2. （數量） quantity; amount
  1. The serial number of pricker is composed of three sections including 17 digital codes : the first section ( 1 - 4 digits ) is the standard size of international general mode ; the second section ( 5 - 11 digits ) is penetration distance, length of functional section, pattern of barb, quantity of barbs on each cording and the distance from needlepoint to the first dent ; in the third section ( 12 - 17 digits ), except letter h representing " hengxiang " brand, the other group of digits represent some special characters of pricker

    刺針的編號由三部分共17位代碼組成：第一部分（ 1 - 4位）是國際通用方式的標準尺寸；第二部分（ 5 - 11位）是刺距、工作段長度、鉤刺型狀、每個棱上的鉤刺數量及針尖到第一齒的距離；第三部分（ 12 - 17位）除字母h代表「恆翔」牌外，其餘一組數字表示刺針的一些特殊點。
  2. Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa

    本文首先介紹並分析了橢圓曲線密碼體制的優點及研究現狀；其次研究了橢圓曲線密碼體制的基本理論；第三，分析了橢圓曲線密碼的安全性並介紹了密鑰共享，加密，數字簽名等橢圓曲線密碼體制；第四，深入研究了特徵為2的有限域f _ 2m中的元素在多項式基和最優正規基表示下的乘法運算和乘法逆運算的快速演算法，並對hankerson等人提出的多項式基下的乘法運算的快速演算法作了改進，而且在實驗的基礎上不僅分析研究了f _ 2m域中元素在多項式基和最優正規基表示下的乘法和乘法逆運算的性能，還對這兩種基表示下的f _ 2m域中元素運算效率的優劣作了比較和研究，所得的結論可供在實現橢圓曲線密碼體制時參考；第五，研究了目前流行的計算橢圓曲線標量乘法的快速演算法，同時改進了固定基點梳形法，提高了整個系統的速度，並在實驗的基礎上分析研究了流行演算法的優劣；第六，實現了基於f _ 2m的橢圓曲線密碼體制的演算法庫，在我們的演算法庫中只需稍微改變便能實現基於任意尺寸的f _ 2m上的ecdh ， eces ， ecdsa等橢圓曲線密碼體制；第七，實現了兩條安全橢圓曲線上的橢圓曲線密碼體制，包括ecdh ， eces ， ecdsa 。
  3. The research of the eco - environment information system based on webgis will help to establish a dynamic monitoring system and provide a feasible scheme for eco - environment information management and decision support. in this paper, based on the internet networklized development technologies, aimed at networklized management of eco - environment, such technologies as the multi - scale, multi - resolution rate data collection and integration, document database, spatial database, comgis development, and " 3s " were used. the main results are listed as the following : 1

    本研究在「數字北京」框架下，基於internet網路開發技術，以生態環境信息網路化管理為目標，綜合運用多尺度多解析度數據集成與綜合、文檔數據庫、空間數據庫、組件gis開發、 「 3s 」 （ gps 、 gis 、 rs ）集成等技術，以標準化數據規范長期積累的多學科、多尺度、多類型的信息資料，以網路化方式服務于全市乃至全國的各種研究，向國家決策部門和社會提供信息服務。
  4. By analyzing all sorts of data involved in the drawing of plane arrangement of the contact net, the paper then presents and realizes the sub - systems of drawing data management, which includes setting up the data structure, programming and managing of the data and provides the drawing data for the whole system used for the later drawing, finally by introducing the concerned theories of the parameterized design explains the similarities and differences and their applied scope of all kinds of parameterized technologies, and by associating with the features of the plane arrangement maps of the railway contact net analyzing size restraint of contact net

    它是針對鐵路接觸網平面布置圖的特點來完成選擇區間或站場繪制、圖紙設定、圖型設定、字元高度、圖型坐標點、繪圖基點和圖型數據文件保存路徑的設置以及布置圖的標注欄和明細表尺寸設置；緊接著通過對接觸網平面布置圖的繪圖中所涉及的各種類型數據進行分析，提出並實現繪圖數據管理子系統，它包括建立繪圖系統的數據結構，對數據進行編輯管理，向整個系統提供繪圖數據，供其後的圖形繪制使用；最後通過對參數化設計的相關理論進行介紹，闡述了各種參數化技術的異同點和適用范圍，並結合鐵路接觸網平面布置圖的特點具體分析了接觸網線路的尺寸約束。
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