元素演變 的英文怎麼說
中文拼音 [yuánsùyǎnbiàn]
元素演變
英文
element variation-
And it can be divided into four phases of urban tourism of china, in which there are different characteristics. ( 2 ) the evolutive rules of urban tourism of china are as follows : 1 ) the exoteric extent of tourism notion is more and more swell ; 2 ) the form of urban tourism renovate with the development of cities ; 3 ) the layout of urban tourism inner and outer is from close and complanate to exoteric and tridimensional ; 4 ) the sustaining system of urban tourism is from absent to as clear as a bell, and will reach a rational and advanced extent. 5 ) the social delamination of urban tourism is form stern to syncretic ; 6 ) the evolvement tendency of urban tourism should be generalized as a curve of accumbent " s ", which present a course makes up of low - grade development, high - speed development and balanced development
主要觀點歸納如下： （ 1 ）城市旅遊是基於城市的發展而發展的，中國城市旅遊可分為古代、近代、現代和后現代四個階段，分別對應於前工業文明時期的城市旅遊、工業文明萌芽時期的城市旅遊、全面建設工業文明和后工業文明因素初露端倪時期的城市旅遊，以及邁向信息時代的城市旅遊，其間體現出不同的城市旅遊發展特徵； （ 2 ）經歷不同發展的時期，中國城市旅遊表現出如下的演進規律： 1 ）城市旅遊觀念開放程度逐漸增強，對城市旅遊的容納度日趨加大，對城市旅遊地位的認識從忽視到關注再成為生活的必要因素； 2 ）旅遊形式從單一走向多元，新的旅遊形式隨城市發展層出不窮； 3 ）城市旅遊的內外部空間聯系從封閉平面走向開放立體，達到網路化、連綿化、分區化、立體化布局； 4 ）城市旅遊支持系統從缺失走向健全，達到理性高端； 5 ）城市旅遊社會分層從森嚴走向融合，經歷了「小眾旅遊」 、 「大眾旅遊」 ，最終發展到「全民旅遊」 ； 6 ）城市旅遊產業演變態勢可以概括為一條橫臥的「 s 」曲線，表現為低開?高走?平穩發展。The research of this paper includes three parts : the first, according to the statistical figures about the cargo transport in recent years, it analyzes cargo transport structure and the changing law and the internal reason of cargo transport. at the same time it analyzes and calculates the change of the arriving ships " structure for a systematic and full understand of the transport demands. the second, it make a scientific forecast of the port ' s future cargo capacity making use of the grey forecast system, which provides scientific basis for medium - long term development plan of the port ' s cargo handling capacity
本文研究的工作主要分三個部分：第一，根據張家港近年來有關貨物運輸的一些統計數據，對貨物運輸的結構和規模演變的規律及內在原因作一剖析，同時對到港船舶的結構變化進行預測，以求對運輸需求有一個系統全面的了解；第二，應用灰色預測系統對張家港港未來港口貨運吞吐量進行科學預測，為張家港港貨物裝卸能力規劃提供科學依據；應用物元分析技術對張家港港口的未來發展前景作出一定程度的分析、研究，找出張家港港口未來發展規劃的零散無序、不成系統的因素，總結前人經驗的基礎上採用綜合評判物元模型進行評判，在預測港口未來發展規劃是否科學實際上具有獨到見解。Based on field research and the dynamic analysis of remote sensing data of different time ( 1987 tm, 1996 tm and 2000 china - brazil earth resource satellite ccd ), using multi - information of research area ( including data of geology, geography, hydrology, meteorology, economy, human culture and dem ) and existing research results, the dissertation discusses drive factors of desertification and the relationships between drive factors and desertification with the help of gis tool and some mathematical methods such as probability, statistics, curvilinear estimation, logical analysis and analytic hierarchy process
論文在對研究區土地荒漠化現狀野外調研和不同時相（ 1987tm 、 1996tm和2000ccd ）遙感圖像土地荒漠化信息提取和演變分析的基礎上，結合研究區已有的多元信息基礎資料及研究成果（包括地質、地理、多時期的水文氣象、經濟、人文以及dem數據等） ，運用gis強大的空間分析功能和概率統計、曲線估計、邏輯分析、主成分分析、層次分析等數學方法綜合研究了土地荒漠化與各驅動因子之間的相關關系，揭示了研究區土地荒漠化的主要驅動因素，探討了荒漠化動態演化規律。The algorithms estimate the doa of the broadband distributed source fron the secondary diagonal elements of the covariance matrices generated from every frequency domain of the received broadband signals, thus avoiding unwrapping of phases
該類演算法首先將陣列接收的寬帶信號變換到頻率域，然後對于每個頻率形成陣列接收信號協方差陣，最後由該協方差陣的次對角線元素估計寬帶分佈源的到達角，其主要特點是避免了相位展開。For this reason this text tries to use a new research frame of currency theory, from the system changing we study the mechanism of euro in - depth, then put the factors of the euro and east asia currency cooperation into the classic " demand ? upply " theory frame
因此本文嘗試性地引入一個新的貨幣理論研究框架，從制度變遷的角度對歐元的演進機理進行了深入的探討，進而把影響歐元、東亞貨幣合作的因素嵌入到制度的「需求?供給」這一經典的理論框架來進行分析。The primitive pixelated ape of donkey kong has evolved into a three - dimensional king kong of startling detail
任天堂元老級游戲大金剛里由像素構成的粗糙人猿，已經演變成連細節都很精緻的立體金剛。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 。Niche breadth of four dominate populations at three age groups was studied by the methods of resource utilization ability and ratio. the result shows that : symplocos sectchuanensis is a typical gengeration species whi ch resource utilization ability is strong, and distribution is wide. meanwhile, go rdonia acuminata, castanopsis fargesis and pinus massoniana specialized at some d egree in resource utilizationm, their distribution is limited. especially, the ju venile of pinus massoniana specialized outstandingly. with the devlopment of pinu s massoniana, which is the pioneer population in mt. jinyun, the environment become s unfit to it ' s juvenile. it turns to needle and evergreen broad - leaves mixed fo r est. because the tolerance toward shading of gordonia acuminata is lower than tha t of castanopsis fargesis, gordonia acuminata will be substituted by castanopsis fargesis and other evergreen broad - leaves species are the edificators. the popul ation ' s ability of resource utilization is the inner factor of population distri bution and community succession. the distribution of light and the concentrate of nutrient ( such as n ) is the outer factors of community succession
對縉雲山森林植被的4個優勢種群3個年齡級生態位寬度進行了研究.結果表明，川灰木利用資源的能力最強、分佈廣，為典型的泛化種.大頭茶、栲樹、馬尾松對資源的利用在一定程度上特化，分佈上有一定的局限性.馬尾松的中齡組與幼齡組特化現象十分顯著.縉雲山森林植被的先鋒種馬尾松的發展，導致環境的改變不適于其幼齡個體的生長，群落演替到針闊葉混交林階段，最後發展為以栲樹等為建群種的常綠闊葉林.種群的資源利用能力，是種群分佈與群落演替的內在原因，光因子和營養元素（如n ）是群落演替的主要外部動力The integrated analysis and valuation of the sight character in hubin has been performed from the following aspects inclusive of landscape spacial web structure, spacial status and element detailed character with the forementioned method and graphic expression tools. 3 ) the historical evolvement of the whole landscape around the lake has been analyzed according to the system integration theory of landscape ecology. the whole characteristic of the traditional landscape around the lake has been researched from the three aspects as follows : variety of the landscape ; spacial interaction and continuation ; consistency as a whole, then the special skeleton of traditional landscape around the lake is discovered and the scientific foundation of landscape protection and control for the urban planning of traditional block is established
首先，本文對于湖濱街區的現存景觀狀況、歷史文脈、居民生活環境質量做了大量調查與評價，並對居民對于現行規劃成果的評價以及對于未來景觀發展的看法做了深入的調查；第二，根據國際上關于城市景觀特質保護的最新研究思想，結合中國文化的特點，創新性地提出了傳統景觀特質的場所文脈評價方法，採用幾何結構模擬的圖示解剖手段，從景觀空間網路結構、景觀空間形態、景觀元素細部特徵等多方面對湖濱地區的景觀特質進行了整體分析評價；第三，根據景觀生態學的系統整體性理論，分析了整個環湖地區景觀歷史演變發展，並且從景觀多樣性、空間滲透、延續性與整體一致性三方面研究了環湖地區傳統景觀的整體特徵，找到了環湖地區傳統景觀的獨特脈絡，為傳統街區的更新規劃找到了景觀保護與控制管理的科學依據。Some countries ' national traditional dressing derived or applied some elements from hanfu, such as, japan, korea, and so on
現在日本、韓國等國家的民族服裝，都是由漢服演變而來，或者借鑒了漢服的元素。As a heavy - populated country, china is faced with economic system reform, and the elements of pred system are full of contradiction. county level administrative units are key segment of sustainable development, so it is urgent to study county level pred system evolution
作為發展中的人口大國，我國目前又處于經濟體制轉型時期， pred系統各要素間的矛盾尤為突出，縣級行政單位是落實可持續發展行動的基礎單元和關鍵環節，因此，作為全國pred系統基礎的縣域pred系統演變研究更是迫在眉睫。Such a division may better reflect the minerals distribution and formation laws, more accurately guide prospecting. 4, research on model copper deposits the copper deposits related to intermediate - acidic volcanic - intrusive complexes are widespread in eastern tianshan. they can be divided into these types : ( 1 ) porphyry type ; ( 2 ) skarn type ; ( 3 ) volcanic type ; ( 4 ) copper - nickel sulphide type
5 、根據區域成礦作用的演化歷史與礦產分佈規律，探討了東大山地區海的期成礦規律，論述了研究廠成礦亞系列主要成礦元素演化軌跡，建立了海的期銅成礦演化譜系，認為研究區海的期成礦作用具有突變特徵一人爆發成礦作用特點。Although there are many new variables in the globalization context, cultural nationalism, migration tidal wave, and multicultural society are key ones. global culture evolves in a way determined by the interplay of these different trends
在全球化語境中，盡管新的因素不斷涌現，但文化民族主義、移民浪潮和多元文化社會這三種力量對民族文化的演變具有關鍵性的意義。The main page background changes from night to day, which alludes to the different attractions the mall has to offer. the site also brings out the more message of the mall and its aims of originality in products and services. interactivity in the form of online games, wallpaper, promotional films and creative animation also help set it apart
網站主頁畫面顏色晝夜變調，突出商場日與夜同樣精采，帶出商場more的主題和對原創及破格商品及服務的追求，透過採用大量互動元素趣味游戲wall paper宣傳片播放及極具創意的繪圖和動畫，拼湊成為一個與別不同的網站，同時演繹商場更多元化的功能，讓網民親身感受突破傳統的創意購物消閑模式。The integrated study of heavy mineral, palaeocurrent direction, and sedimentary facies distribution has disclosed that the detritus are derived chiefly from the southeast and east - northeast during the deposition of the yanchang formation in the late triassic. the variations in the palaeocurrent directions have consequences for the development and distribution of the sequence stratigraphy and sedimentary facies of the yanchang formation. the major and trace element analyses of the mudstones from the yanchang formation also show that the lake waters would be freshened to brackish
初次通過泥巖常、微量元素測試資料和沉積學分析得出，延長期富縣探區湖泊水體屬于淡水-微鹹水，微量元素含量及其比值在剖面上的變化對延長期湖平面升降和氣候的演變具有良好的響應，湖平面升降、氣候演變對層序地層的發育有著直觀而又重要的影響。If the equipment is in condition of acute wear, the variable group will be determined by using fuzzy clustering arithmetic according to relativities of all elements under different level, and the pattern of waiting for identifying will be constructed
一旦發現設備有劇烈磨損，能夠運用模糊聚類分析演算法，分析了不同水平下的各元素親近關系，從而確定設備磨損部位的變量組，構造待識別模式。It can be observed that the sediments of the holocene loess is continuous and thus it reflects the environmental change and human activities since the holocene. meanwhile, laoguantai profile is a perfect one because it lies in the periphery of the laoguantai cultural relics. on the basis of outdoor observation and indoor experimental analysis, the author selects proxy substitute indexes, such as grain - size, magnetic susceptibility, microelements, cacos and ph value, etc. moreover, the thesis also calculates and investigates the remains of human activities kept in the profile
為了盡可能準確地獲取該地區全新世以來的環境演變和人地關系演進的真實環境背景，本次研究在野外詳細觀測和大量室內實驗分析的基礎上，審慎地選取了多項用於再現古氣候環境的代用指標進行了分析，這些指標包括粒度、磁化率、微量化學元素（包括fe 、 rb 、 co 、 li 、 cr ； sr 、 ba 、 cd 、 sb ； bi 、 mn ； cu 、 zn 、 pb 、 ni ） 、碳酸鈣和土壤ph值等。Shows four ways to store an array of arrays, or jagged array, in a variable, and how to set its length and element values
演示四種方式來在變量中存儲矩形數組或交錯數組並設置數組的長度和元素值。Chemical history is that chemical home is conquered the fight history of world, transform nature and creation invention, have recorded and narrate, the accumulated course of chemical knowledge, have elaborated the development of chemical science to develop the development history of law
化學史是化學家征服世界、改造自然、創造發明的奮斗史，記述了化學知識的累積過程，以及化學科學的發展演變規律的發展史。化學元素發現史、化學發展史、化學家生平、化學教育史、化學思想史、化學認識史。The finite element method ( fem ) has become an important means in modern engineering designs, which is used in many fields, such as structural stress analysis, deformational stiffness analysis, mechanic failure analysis, dynamic process analysis, heat analysis, electromagnetism filed analysis and so on
有限元素法已成為工程設計中不可或缺的重要技術手段，在大型結構作用力分析、變形分析、失效分析、動力學分析、傳熱分析、電磁場分析、流體流動分析等方面扮演著越來越重要的角色。分享友人