advance element 中文意思是什麼
advance element
解釋
前遣分隊-
On the basis of the test and finite element analysis, and on the experience of exsting research payoffs, this paper advance the method of calculating load bearing capacity of slab with slightly curved bottom considering membrane effect of the slab, and deduce the corresponding formulas
在試驗和有限元分析的基礎上，借鑒已有的研究成果，本文提出了考慮薄膜效應時確定微彎板承載力的方法，並推導出相應承載力計算公式。 -
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 。 -
Advance of hexahedral element remeshing methods for bulk metal forming process fem simulation
金屬塑性成形有限元模擬中的六面體單元再劃分技術研究進展 -
This paper introduces the development and present situation of vibration absorb technology in the world ; generally analysis the rubber - bearing ( rb ) and lrb " s operative mechanism, function and the calculation of parameter ; advance the concept of standardization to lrb ; on the basis of generally analyzing the connected factor such as the site category, the diameter of lead bar, the height of bearing, the designing carrying capacity, the span of bridge, the inherent period and the displacement of rb, determine the parameter, the absorbing vibration target, the method and the process of standardization to lrb ; then according to the two - step rule of resisting and defending earthquake, and combining with the response spectrum theory in the seismic vibration of bridge, make a lot of calculation and analysis of vibration absorb design to the real bridge collected and combined by finite element program ; at last, gives the result of standardization through diagram and explains to its usage
本論文介紹了國內外減震技術的發展和現狀；綜合分析了普通板式橡膠支座和鉛銷橡膠支座的工作機理、性能及參數的計算；提出了鉛銷橡膠支座標準化的概念；在綜合分析場地土、鉛銷直徑、支座高度、設計承載力、橋梁跨徑、固有周期以及支座變位等影響因素的基礎上，確定了鉛銷橡膠支座標準化的參數、減震目標、方法和過程；並根據抗震設防兩階段原則，結合橋梁地震振動理論的反應譜法，運用有限元程序對收集和組合的實橋進行了大量減震設計的計算和分析；最後以圖表的形式給出了鉛銷橡膠支座標準化的結果，並說明了其使用方法。 -
The author also points the limitation of display evaluation in process of applying, and tries to advance a scientific design evaluation system, protests to perfects the furniture display of exhibitions through design practice evaluation and art commentary, and regards " concept study " as a radical element
指出常用展示評價體系的弊端，嘗試著提出一種科學的評價體系，主張從設計評價和藝術評論兩方面著手來完善傢具展覽會展示設計，並把「概念研究」作為該系統的一個重要環節。 -
The development of enterprise firstly depends on the birth and expansion of the transactions of element use right, which is the development of element market. the relationship between enterprise and market is not simply a kind of substitution but a sort of advance and dependence
企業的發展首先必須有要素使用權交易的簽訂與擴大，這就是要素市場的發展，企業與市場並不是簡單的替代關系，企業與市場是相互促進、互為基礎的。 -
This paper deals with the basic principle of applying trace element technique to near - surface oil and gas geochemical exploration, the classification of trace element observational methods, the oil - indicating significance of the criteria, the advance in the application of the trace element method to oil and gas exploration, and the development trend of the trace element geochemical researches
摘要介紹了微量元素應用於近地表油氣化探的基本原理、微量元素觀測方法的分類、指標的示油氣意義，及其在油氣藏勘探方面應用研究的進展，指出了微量元素地球化學研究的發展趨勢。 -
Applying user tools and grip of ugii software, user ' s designing menu and interactive interface of parameters have been developed which can convenient designing procedure and advance designed efficiency. another, 3d finite element modeling include frame and cylinder has been builded firstly in this article
本文應用ug軟體的二次開發工具（ usertools ）及二次開發語言（ grip語言） ，開發了用戶設計菜單及相應的參數交互界面，方便了設計過程，使操作更加快捷，提高了設計效率。
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