環境協方差 的英文怎麼說

中文拼音 [huánjìngxiéfāngchā]
環境協方差 英文
environmental covariance
  • 環 : Ⅰ名詞1 （環子） ring; hoop 2 （環節） link 3 （姓氏） a surname Ⅱ動詞（圍繞） surround; encircle;...
  • 境 : 名詞1 （疆界; 邊界） border; boundary 2 （地方; 區域） place; area; territory 3 （境況; 境地） co...
  • 協 : Ⅰ形容詞（共同） joint; common Ⅱ動詞（協助） assist; help; aid
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 環境 : environment; surroundings; circumstances; ambient; closeness; ambience; ambiance; atmosphere
  • 方差 : dispersion
  1. The discussion of the label " groupware " has essentially only one aspect ? the denotation of those instrumentalities through which cscw ( the phenomenon ) is realized and toward which cscw ( the field ) addresses itself. this paper concerns in two important issues on groupware system : 1 ) " issue on the openess and integration of legacy system " : with the rapid progress of internet and the continual emergence of commercial software system, how to integrate into the new infrastructure the enterprise ' s mission - critical it assets. 2 ) " issue on tailorablility based on composability and extensibility " : depending on factors such as task, group, duration and context, cooperative work can have many forms

    2 ）群件系統支持用戶協同工作，用戶需求因協同目的、形式、環境的不同差異很大，一個成功的群件產品應該具備高度的靈活性以適應這些需求，本文稱之為「基於復合和擴展的可裁剪性問題」這兩個問題的提出源於實驗室課題「建築工程項目和圖檔管理系統」的開發，作者通過實踐和理論的總結，將corba技術與組件模型運用到了這兩個問題的探討中，在前人研究的基礎上，成功的解決了上述問題，並將論文的結論和方法應用到了課題中，作為開發的指導，取得了良好的成效。
  2. Because of the unique issues in the networks, including mobility - induced disconnection, network partition, high out - of - order delivery ratios and channel errors, the congestion control and the error recovery in the network is challenging. in this environment, the interaction between tcp and mac layer protocols, the affection of route protocols on the performance of tcp and the particular congestion control and error recovery mechanism are first discussed. then a particular transport layer protocol scheme based on the non - feedback mechanism is presented, with emphasis on the analysis and simulation of the key parameter

    文中主要討論了兩種不同網路結構中的無線tcp協議改進方案，其一在最後一跳為無線鏈路的網路環境中，針對基本tcp擁塞控制機制存在的缺陷，文中在現有解決方案的基礎上提出一綜合性的方案，其中包括無線鏈路的高誤碼率和連接斷開問題的解決，並重點對方案中出現的交叉層問題進行分析和模擬；其二，考慮的是分散式網路（ adhoc ） ，在文中較為詳細的分析了tcp和mac層機制間的相互作用、路由協議中造成tcp性能降低的因素、 adhoc網路中應採取的特殊擁塞控制和差錯恢復機制，在此基礎上提出了一種採用非反饋機制的解決方案，重點對方案中的關鍵參數進行分析和模擬，分析和模擬結果表明此機制可在很大程度上提高adhoc網路中tcp的性能。
  3. This thesis brings forward that it is necessary to develop image - building by planning and design of small towns mainly for tourism from the height of region aiming at some phenomena of desultorily constructions, monotone and simple view, buildings with no design and culture happened and happening in some of this type of towns. the author analyses the system, structure, elements of these small towns through the theory of city identity system and " the image of city " with five elements. on the basis of it, the author studies the structure of sights and the embodiment of characteristic sights and advances the emphases of image - building by planning and design at three different aspects : the region or aero as a whole, the town as a whole and the part of the town

    論文針對當前重慶市許多旅遊型小城鎮形象建設雜亂無章，城鎮建設面貌單調乏味，建築缺乏設計和文化內涵，城鎮旅遊接待環境條件差，提出有必要站在區域的高度，對這類小城鎮進行形象規劃和設計，運用城市識別系統cis （ cityidentitysystem ）和「城市意象」五要素的原理來分析小城鎮系統結構和要素，以便能夠清楚地認識研究對象，在此基礎上分析旅遊型小城鎮的景觀構成及特色體現，提出了旅遊型小城鎮形象在宏觀、中觀和微觀三個層次上規劃設計的重點，並從理論上分析從實踐中總結出旅遊型小城鎮形象規劃設計的一般原則、方法表達方式及手段等，最後本文運用前面的理論和方法分析了重慶市的兩個典型的旅遊型小城鎮，並進一步得出結論，即旅遊型小城鎮形象建設是一個系統工程，要從規劃和設計兩個角度，結合旅遊的優勢，結合地方，結合自然，既有整體又有重點地對旅遊型小城鎮形象進行塑造，使得旅遊與小城鎮的建設和發展互相融合，協調發展，相得益彰。
  4. This paper unfolds engineering disposition and theoretical research of negative temperature high performance concrete ( nthpc ) with the damage of many factors motivation, the project background based on qing - zang railway engineering, which is one of four - emphasized engineering during the tenth five - plan. due to the difference of environment of construction and service between nthpc and ordinary concrete, and therefore durability of nthpc is required to higher level. at a first, nthpc must avoid frozen damage at early age and possess anti - freezing property at later period, in order to meet engineering practicable application need, and this are two emphasized and difficult problems, as for nthpc ; by means of mechanism analysis about deicing - agent ingredient and anti - freezing at early period, adopting composite technique routine of mineral addition + anti - freezing element + water - reducer4 - air - entraining + anti - erosion of steel component etc, based on orthogonal experimental approach, fd - 1 composite functional admixtu re was manufactured, which has more property and orientation on qing - zang railway

    負溫混凝土由於和普通混凝土在施工環境及服役環境上存在的差異，因此表現為比普通混凝土更為較高的耐久性要求；負溫混凝土首先要避免早期的凍害以及具備長期抗凍性能，才能夠滿足工程實際應用的要求，這也是負溫混凝土必須解決的兩大技術關鍵；通過對目前常用防凍劑組分作用機理的分析研究及混凝土早期防凍機理探討，採用礦物外加劑+防凍組分+高效減水劑+引氣+阻銹組分功能復合的技術路線，通過正交試驗設計復配了適應青藏鐵路工程要求的專用多功能復合型外加劑fd - 1 ；並在此基礎上配製不同等級負溫高性能混凝土，開展一系列包括硫酸鹽侵蝕、氯離子滲透、抗凍融循環、收縮及耐磨性等耐久性能研究；通過對fd - 1組分和摻量的調整，優化負溫混凝土在施工特性、力學指標和耐久性三個方面的兼容、協調性。
  5. The dissertation endeavors to identify, probe and develop new theories and tools that will work in digital time in scm area by systematic studies. on the basal theories of scm and e - business, analyzes the difference of scm in environment of e - business with traditional environment, puts forward the method, principle and step of designing and constructing of supply chain in e - business, probes into the collaboration management of supply chain from two aspect, one is hard road, another is soft road

    從供應鏈管理和電子商務的基本理論出發，分析了電子商務環境與傳統商務環境下供應鏈管理的差異；提出了電子商務環境下供應鏈設計與重構的方法、原則和步驟，指導企業設計適合自己的供應鏈；對電子商務環境下如何實現協調運行展開分析，從軟約束和硬約束兩個方面來探討供應鏈的協同管理問題。
  6. At first reviewing the history of strategy management ; on the basis of analyzing the external environment and industry competition situation of this enterprise and analyzing its advantages and disadvantages. internal abilities, the paper points out the suitable development strategy for this enterprise - - the single - crop farming strategy concentrating its attention on piston ' s research and development producing and selling ; it should take advantage of established market network and good reputation on brand and select the style of initiative attack market leader strategy as its basic strategy ; meanwhile, it suggests that the enterprise should cultivate its own new core competence in the field of the piston ' s researching & designing rely on japanese and german technique ; according to the specific product ' s marketing status, it should acquire and maintain competitive advantages by adopting the low cost strategy and differentia strategy on the different products ; quicken the product configuration adjustment, enlarge the productivity of diesel oil piston ; it should establish strategy cooperation partnership with those strong domestic and foreign main engine manufacture enterprises. finally, the paper gives suggestions on organization structure system innovation, human resource management and exploitation, market management, quality management, information construction in the course of the enterprise strategy being implemented

    首先回顧了戰略管理理論的發展演變歷程；然後通過對該公司的宏觀環境、行業競爭態勢以及企業的優劣勢、內部能力等方面的分析，在此基礎上提出了適合該企業發展的戰略? ?專注于活塞產品的研製、開發、生產、銷售的單一經營戰略；充分發揮企業現有的在營銷、品牌方面的優勢，選擇積極進攻類型的市場領先者戰略作為其基礎戰略；並且提出了依託來自日本和德國的先進技術，培育企業在活塞產品設計、開發方面的新的核心競爭力的思路；根據產品市場的具體狀況在不同的產品線上分別採取成本領先及差異化戰略獲取和保持競爭優勢；加快產品結構調整，擴張柴油機活塞的生產能力；與實力強大的國內外主機企業建立戰略協作夥伴關系；最後對企業戰略實施中的組織機構、制度創新、人力資源管理與開發、市場營銷管理、質量管理、信息化建設等重要問題提出了自己的見解和建議。
  7. Author ' s contribution to this work can be summarized as : a. provisioning of a comprehensive study on ipv4 / ipv6 and dhcpv4 / dhcpv6 b. derivation of the state transition tables / diagrams and time sequence diagrams for dhcpv6 from informal description in english c. development of an dhcpv6 server and client software package in the linux environment d. presentation of test suite planning work and definition a basic test group based on the remote test method defined by iso 9646, which is in turn used in testing the dhcpv6 software developed by the author. through comparison of the test results from sc - nctkl and a third - party company, the basic conformity between the implementation and relevant standards has been proved to some extent. finally the author gives a brief conclusion about the futher work and the prospect of developing dhcpv6

    作者的獨立的工作包括：較深入地分析了ipv4 ipv6和dhcpv4 dhcpv6的差異；利用工作原理圖、狀態變遷圖表和時序圖，較完整地描述了dhcpv6客戶機服務器的狀態變遷和信息交換過程，對dhcpv6的協議實現提供了有價值的借鑒；在linux環境下實現了dhcpv6定義的服務器和客戶機軟體；研究了有關dhcpv6測試的相關技術，並以remotetest方法為背西南交通大學碩士研究生學位論文第日頁景編寫了測試控制數據，並在在實驗室環境下進行了相關的測試;為了提高測試結果的客觀性，對筆者開發的軟體委託了第三方進行測試，兩個測試結果表明，該軟體基本符合dhcpv6的正tf的相關標準。
  8. Inherently, how to seize the opportunity to explore the characteristics, including historical gentle pulse, cultural tradition, national religion, the economy and industry, resource and environment of the town fully, to construct characteristic towns which possess graceful environment, prosperous economy, stable society and distinctive features, is the way of improving region image, the investment climate and ecological environment, and it is the key of driving the area to sustainable, fast and coordinate development as soon as possible, and it is also one of the ways to narrows disparity between the west area and the whole country in various fields

    如何抓住機遇，充分發掘城市的歷史文脈、文化傳統、民族宗教、經濟產業、資源環境等特徵和內涵，建設環境優美、經濟繁榮、社會穩定、特色鮮明的城鎮，是盡快改善地域形象，改善投資環境、生態環境，實現區域持續、快速、協調發展的關鍵，也是西部地區縮小與全國在各方面差距的重要途徑之一。
  9. In chapter 3, we discuss the problem of doa estimation in the presence of spatially nonstationary noise fields. an estimate of the colored noise covariance matrix is firstly given. the received data for parameter estimation is then prewhitened using the estimated noise covariance, hence, overcoming the highly biased estimates. finally, adaptive beamforming with the modified weight is also performed. computer simulations show that the proposed method can completely remedy beam distortion. 3

    在第三章討論了一種在環境噪聲為白噪聲而陣元噪聲為空間非平穩情況下的doa估計問題，給出了一種有效的估計陣元噪聲功率的方法，進而利用估計的噪聲協方差矩陣進行預處理而實現色噪聲環境下的doa估計，理論分析和模擬結果均表明了本章提出的方法的有效性。
  10. In order to clarify the forming reason of the chinese current regional disparity and then to find out the breaking point to reduce it, through methods of classification and induction, the forming reason of the chinese current regional disparity are induced such as the difference of investment distribution, the difference of the fdi distribution, the difference of using efficiency and the deepening speed of funds, the difference of the human capital distribution, the difference of the richness degree of the social capital, the difference of the investing environment, the difference of the system, the difference of the marketization and of the growing degree of the market, the difference of the degree of the specialization and division, the difference of the developing strategy

    摘要為了理清中國現階段區域差異形成的原因，以便為縮小區域差異尋找突破口，實現區域協調發展，通過分類和歸納的方法，將中國現階段的區域差異成因歸結為投資分佈差異說、 fdi分佈差異說、資金使用效率及深化速度差異說、人力資本分佈差異說、社會資本豐裕程度差異說、投資環境差異說、體制差異說、市場發育水平及市場化程度差異說、專業化程度及分工水平差異說、發展戰略差異說等。
  11. With the support of other departments, the environmental protection department has completed clearance of the most notorious site at sheung pak nai in may this year and has removed 40, 000 cubic meters of dumped waste

    在其他部門的協助下，環境保護署于本年五月完成清理位於上白泥情況最差的傾卸區，搬去廢物達四萬立方米。
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