首項元素 的英文怎麼說
中文拼音 [shǒuxiàngyuánsù]
首項元素
英文
leading element-
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 。While carrying out the scheme, at first, the basic theory of antenna, array antenna and electromagnetic absorption, the performance parameter of antenna and parabolic antenna are deeply researched. in conformity, the characteristic and calculation of aperture field and near - to - far - field transformation for radiation pattern are detailed analyzed. second, the factors such as, the amount of the antenna elements, mutual coupling between each element, ground and the buildings on earth ' s surface, which affect the performance of array antennas ’ resultant field are stressed discussed
在系統實現過程中，課題首先從天線、陣列天線，以及電磁場計算方法的基本理論著手，分析了天線與拋物面天線的各項性能參數，以及天線的口面場和近-遠區輻射場的特點和計算;進而，更加深入的討論和研究影響天線陣列合成場強的各項因素，包括系統所使用的天線單元個數對陣列合成場的影響、天線單元之間由於互耦造成的影響、傳播過程中地面和/或地面建築物的影響等。The algorithm you use to create a repository query from the query expression elements will vary depending on your connector s requirements, but there are a few things that you will always need to keep in mind
用來從查詢表達式元素創建存儲庫查詢的演算法依賴于連接器的需求，但是有一些常規注意事項。首先，全文查詢和屬性查詢都由At first, the logic behind this sounds reasonable : if you change this data element from optional to required, you essentially duplicate error processing that occurs elsewhere in the system
首先，整個過程背後的邏輯是合理的：如果您將這項數據元素從可選改為必需，那麼您基本上就是復制了系統中其他地方所使用的錯誤處理過程。First, virtual enterprise will be a general organization model, which causes the diversification of accounting entities. second, as the organizing activities, production and management of the organization get more intelligent and automatic, intangible assets take over dominant status and the isolated information will disappear. with the support of information technology, the accounting confirmation and accounting measurement to intangible accounting element is making great progress, it causes the diversification of financial report content
首先，在電子商務環境下，虛擬企業將成為一種普遍的組織形式，導致了財務報告主體的多元化；其次，企業的組織、生產、管理活動都達到了高度智能化和自動化，企業內信息孤島消失，無形化資產在企業中占據主導地位，在新技術和強烈的商業需求的推動下，對這些無形要素的確認和計量得到了巨大發展，使財務報告的內容趨向于多元化；最後，在信息技術和全球性的企業網路的支持下，事項會計的廣泛應用，使實時報告成為可能，用戶可以在任何時間，任何地點得到他需要的所有財務報告信息。Dialog box contains the following elements
「首選項」對話框包含下列元素。Explore the auto consumption current, influencial factors, automobile consumption ’ s stimulation economic growth, and how to promote car consumption and stimulate economic growth is the subject of this study. first, the paper discusses background, aim and meaning of the research, and summarizes the thesis theme, technical route method and main content. second, the paper analyzes the comsumption theories and economic growth theories and discusses the relation between the auto consunption and economic growth from the marxist economics, classic economics, system economics, industry economics, innovation economics etc. the theoretical foundation of this dissertationis the marxism consumption, the kennis ’ s absolute income theory, freedman ’ s long income suppose theory ect
本項研究採用理論與實踐相結合的方法，對汽車消費與經濟增長的關系進行了經濟學分析，探索了汽車消費拉動經濟增長的理論基礎;通過對波特價值鏈理論和產業集群理論研究，分析了汽車消費關聯效應的理論基礎;分析了我國汽車消費和汽車消費市場的現狀，並對汽車消費進行了國際比較，指出了汽車消費的變化趨勢;對影響汽車消費的各種要素作了系統的分析，明確了各種影響因素的現狀和發展趨勢以及它們對汽車消費趨勢的影響;為了揭示汽車消費與經濟增長的關系，首先進行了汽車消費對汽車產業以及關聯產業的拉動作用的分析，並運用主成分分析方法和多元統計分析方法，分別就我國汽車消費對經濟增長的拉動作用和吉林省汽車消費對經濟增長的拉動作用進行實證分析，總結了汽車消費對關聯產業和經濟增長的具體影響;提出促進汽車消費、拉動經濟增長的對策與建議，並指出了應進一步研究的領域。Secondly, the intelligent management institutions and development institutions of human resources need to be established so that intelligence and education systems, optimization structure of human resources can be achieved. thirdly, with the help of modem technology and management the water resources in jiangsu province will be developed and managed which includes investment and control of scientific research and innovation of s & t. finally, the institution of multiple - investment should be improved, the institution of investment for social weal water projects should be specified and the construction of water market should be established rapidly
首先，要改變傳統水利建設運行管理的模式，實現由粗放型水利向可持續發展水利的轉變；其次，進行人才創新，建立起具有現代化特色的江蘇水利人才管理體制和人力資源開發機制，建立起知識更新、人才再教育的人才培養系統，優化人才結構，提高隊伍的總體素質；再次，是要用現代科技和現代管理方式建設、管理江蘇水利，加大科研投入、加快科技創新、加強水利管理科學研究；再者，要完善多元化的投入機制，規范公益性水利項目的投融資體制，加快水市場建設進程；此外，還要完善水行業的政策法規，提高水利職能部門的決策水平。The size and position properties for the report items will reveal their true position. to determine the position of overlapping items, the rendering extension first considers the value of the
為確定重疊項的位置，呈現擴展插件首先考慮這些項的top元素的值，再考慮left元素的值，最後考慮zindex的值。分享友人