來復線管 的英文怎麼說

中文拼音 [lāifùxiànguǎn]
來復線管 英文
rifled pipe
  • 來 : 來動詞1 （從別的地方到說話人所在的地方） come; arrive 2 （發生; 來到） crop up; take place; come ...
  • 復 : Ⅰ形容詞1 （重復） repeated; double; duplicate 2 （繁復） complex; compound Ⅱ動詞1 （轉過去或轉過...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 管 : Ⅰ名詞1 （管子） pipe; tube 2 （吹奏的樂器） wind musical instrument 3 （形狀似管的電器件） valve;...
  1. Rifled or other pipe wall corrugation may change the flow from a hetero－generous to a homogeneous regime by introducing a secondary circulation.

    在有來復線的或其它的管壁皺紋的管中，由於引起副流，可能將非均質流轉變為均質流。
  2. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮，論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討：全面回顧了「可持續發展」概念的由來與演變，對國內外「可持續發展」的研究現狀進行了述評，並對「可持續發展」概念的科學內涵進行了深入探討；對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述，對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解；全面闡述了地下水資源變值系統理論的內容和意義，並與傳統的地下水資源計算評價方法進行了對比分析，結合實例具體說明了方法的應用；深入分析了地下水資源預測預報工作的極端重要性和復雜性，對傳統的地下水資源動態預測方法進行了全面的評述，指出了各類預測預報方法的特點及適用條件，對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍，以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹，並應用於地下水動態過程線的分析，採用時間序列中的b ? j法，蒙特卡羅方法，與地下水資源變值系統理論相結合，探討了地下水動態資料分析和地下水資源預測預報的新思路；綜合分析了現今各類地下水管理模型的特點及缺陷，將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度，使模型更準確、更實用；對保證地下水資源可持續開發的內部條件和外部條件進行了分析，內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀，科學的資源計算與評價方法，可靠的資源預測預報技術，可操作的資源管理措施，外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  3. Glass flake coating for internal protection, wire spirall - wound complex pipe or nitridizing technology were suggested to be countermeasures

    就試驗結果和目前的技術發展來看，建議採用玻璃鱗片塗層或採用鋼骨架復合管或滲氮工藝進行管線保護。
  4. And following the it revolution, more and more computer software systems appeared in plants, take the place of human to manage and control those complicated production lines

    隨著信息化革命的深入，越來越多的計算機軟體系統出現在工廠里，代替人工來對這些復雜的生產線進行控制或管理。
  5. Ldpc code belongs to the linear block code which is encoded by the information sequence multiplies generator matrix. although the parity - check matrix of ldpc code is sparse, the generator matrix is not. the encoding complexity of it is linearly proportional to the square of code length

    Ldpc碼屬于線性分組碼，線性分組碼的通用編碼方法是由信息序列根據碼的生成矩陣來求相應的碼字序列，盡管ldpc碼的校驗矩陣是非常稀疏的，但它的生成矩陣卻並不稀疏，這使得其編碼復雜度往往與其碼長的平方成正比。
  6. The research on flight plan conflict probe ( fpcp ) : in the phase of flight plan preparation, the planning controller of air force used to spend half time of each day to draw the routes on the maps and then probe the conflicts between them, for the flight routes are quite irregular and more possible to cause conflicts with other training flights or civil aviation flights. the fpcp model studied here is one of the innovation applied in mrd2k - jh, it can automatically probe all the potential conflicts between flight plans. this model uses 4 - d conflict probing rules to analyze all the route information of flight plans, the detected conflicts ( route points or segments ) can be useful for assisting the planning controller to amend the conflicted plans and re - probe the conflicts

    飛行計劃沖突預調配研究：針對軍航管制工作中飛行計劃機動多變造成飛行沖突多、沖突探測繁、手工調配難的情況，介紹了mrd2k ? jh系統中採用的一項創新之處? ?飛行計劃準備階段自動化的四維沖突探測模型，按照飛行安全間隔對各飛行計劃的所經航線數據進行潛在沖突分析，探測出預沖突航路點或沖突航線段，代替了軍航管制員原來在地圖上手工測畫的重復性勞動，該項功能幫助管制員及時發現飛行計劃之間存在的潛在沖突以方便進行調配再探測，不僅極大提高了工作效率，更避免了人為可能造成的失誤，確保了飛行的安全。
  7. According to the hourly water demand forecasting results of hangzhou city, the reasonability and effectiveness of this model was proved. real large water supply system is a complicatedly dynamic nonlinear system, it is influenced by many factors, and these factors are interactional. it is difficult to simulate water distribution networks by using one or several explicit functions

    由於實際大型供水系統是非常復雜的動態非線性系統，在實際管網的運行中，受到多因素的制約和影響，各綜合因素作用疊加起來造成水流狀態極其復雜，使得很難以一個或幾個統一的顯式函數關系描述管網的工況。
  8. In this paper, the upper - class intelligent control scheme is adopted according to the characteristics of tobacco re - dryer and the present control condition in order to solve the problem that the output tobacco moisture can ? keep stable. that is, to keep the old every pid control link, to add the upper - class computer so that sets up the upper - class intelligent control system that consists of the description management sub - system, the fuzzy compensation on line sub - system and the self - learning system. the following are control procedure : first of all, a series of output values of description can be obtained by the forward inference of basic controller on the basis of the information of input tobacco, then, these output values can be adjusted by the fuzzy compensation controller with inquiring the fuzzy control - list on line in the light of the output tobacco moisture error

    本文針對烤機的工藝特點和目前控制現狀，提出用上位智能控制的方法解決烤機目前存在的問題，即在保留原有各段pid控制的基礎上，增加上位計算機，建立起由配方管理子系統、模糊在線修正子系統和自學習系統組成的上位計算機監控、決策的智能控制系統；控制過程為：基本配方控制器根據來料信息正向推理提供煙葉復烤機各段參數設定值的基值；模糊補償控制器根據煙葉水分偏差在線查詢模糊控製表提供相應參數設定值的修正值，實現煙葉復烤機參數的在線修正；學習環節的引入實現煙葉配方的在線優化。
  9. With the appearance of intelligentized architecture, concrete slabs with openings are used in architectural structure, through which all kinds of accessory facilities are installed such as ventilation ducts, pipeline of heat, water and electric supply, automatic producing line system and intelligent pipeline system etc. they make it possible to lower the height of architectural structure and to lighten weight of it, so as to achieve good economic and social benefits

    智能建築的大量出現使結構功能發生突破性的變化，與之相應的各種輔助建築設施（如供水（氣，電）系統，空調系統，消防，識別，預警系統，辦公自動化系統，工業自動化生產線系統等）將會變得越來越龐大而復雜，各種管線四通八達，目前它們都是從建築結構的梁下、板中穿過，被它們擠占的空間越來越可觀。
  10. According to the characters of three - dimension engineering, it designs data structure and data model by the method of oop. data structure of oop is applied to the modelling based on graphics. it realizes the display of three - dimension graphics in engineering. the system can import / export 3ds files. it realizes selection, feedback of 3d shape and the management of 3d shape ' s properties ; 3d shape frome 2d contour lines and the medial axis of a convex polygon and an arbitrary simple polygon are discussed

    針對三維工程的特點，採用面向對象的思想進行數據結構與數據模型的設計；將面向對象數據結構應用於基於圖形的建模技術中，實現了工程中三維圖形的顯示，並通過與3ds文件的介面，導入造型復雜的模型進行補充；基於二維設備的三維交互問題，實現了對三維形體的選擇、反饋以及三維形體的屬性數據的管理；對由二維輪廓線構造三維形體，本文創造性的提出了利用多邊形的中軸來構造三維形體，並修正了求多邊形中軸的演算法。
  11. Trenchless technology given rised to the 20 centuries in abroad 70 ' s empress period, as an new construction technique in paving underground tube line. directional drilling come into being the most potential method because it achieve accuracy designed - area on trenchless technology, so it bring great benefit, especially in complexity pipe line area of city

    非開挖鋪設地下管線施工技術（簡稱非開挖鋪管技術）是國外二十世紀七十年代後期發展起來的一項管道施工新技術，定向鉆進非開挖鋪管技術因其高精度的定位能力而成為非開挖四大工法之中最具潛力的技術，在城市管網極為復雜的地區，是其它施工方法難以代替的，社會經濟效益尤為突出。
  12. With rapid developing, modern wireless communications become more and more complex. consequently, the high demands for radio administration are advanced, and radio monitoring station begins to develop towards mobile monitoring and automatic monitoring

    現代無線通信業務發展迅速，通信技術手段也越來越復雜，因此對無線電管理提出了很高的要求，無線電監測站也向移動監測和自動監測方向發展。
  13. At the meantime, the rock mass may alternate between loading and unloading and it exists in certain kind of liquid, such as surface water, unconfined water, confined water etc for its intrinsic crannies. the practical rock mass concerned project must solve the key stability pr oblem after the understanding of the complicated mechanical characteristic and the deformation trends to guide the following project design and construction for the demand of security, economy, feasibility and validity. however, the intrinsic nonlinearness and complexity of the engineering rock mass become the main difficulty to predict the stability and deformation, the corresponding structure design must ensure enough safety with all the determinate or random force combination, so a model without the geometry distortion and constitutive equation warp is necessary to be built for the quantificational analysis of practical structure ' s stress, for the simulation of the real process and for the determinate evaluation system and optimization

    由於實際工程巖體其固有的非線性和復雜性，使得求解對應的諸如其穩定性、變形等問題面臨較大的困難，而有關的工程結構的設計必須保證該結構在外來因素的作用下具有足夠的安全度、經濟性和合理性，這必然要求對巖體及其工程結構的受力與變形有一套量化評判體系和優化技術，抓住實際工程問題的本質特徵並建立可行的符合幾何模擬、本構模擬、受力模擬、過程模擬四原則的求解模型，通過該模型的數值模擬成果來指導巖體工程的設計、施工及運營、管理；而巖體結構面的存在使得基於傳統連續介質力學理論的理論分析和數值模擬面臨巨大的挑戰，物理模擬的試驗周期和成本也大大增加，而巖土體工程問題則成為典型的數據有限、了解程度有限類問題，這類問題的解決需要綜合應用理論分析、經驗判斷、物理模擬和數值模擬等方法，數值模擬可以完成目前許多技術手段無法完成的實驗，如參數控制，復雜條件下的邊界條件的處理，同時數值模擬具有高可重復性，且數值模擬的成本和人力開銷等遠低於物理模擬，因此研究巖土體工程問題的流形元數值模擬方法是一項具有理論和實際工程應用價值的重要課題。
  14. The fast development of the electric power industry makes the scale of power network larger and larger, and its network more complex. the result of this is that the power network becomes a complex multiloop network, in addition to the variety of operation and the interleaving of voltage grades. such these situations bring forward much difficulty to the calculation and management by traditional manual operation of relay protective settings

    隨著電力系統的飛速發展，電網規模日益擴大、網路結構日趨復雜，網路呈現各種接線並存的復雜環網，再加上系統運行方式的變化多樣，各種電壓等級互相交錯，都給現有的傳統手工作業方式的電網保護整定計算和定值管理帶來了很大困難。
  15. Liquid - solid extrusion of composite material is a new kind of metal forming process, which has been developed in recent years with a promising practical application prospect for its simple working procedure, low cost and good workpiece performance. but it is difficult to set up an accurate mathematical model because the process is a multivariable nonlinear time varying system. so this process ca n ' t be put into practical uses for the difficulties in process parameters control

    復合材料管、棒材液-固擠壓成形工藝是近幾年發展起來的一種金屬成形新工藝，具有工序少、成本低、製件性能好等特點，應用前景廣闊，但該工藝是一多變量非線性時變系統，很難建立精確的數學模型，過程參數難于控制，限制了該工藝的實際應用。
  16. These could be minimised by altering the alignment where possible and through proper site management during construction and landscape restoration as phases of the development are completed

    在可能情況下，更改路線、在施工期間採取適當的地盤管理措施，以及在每個工程階段竣工后回復原來景觀等措施，可把這些影響減至最低。
  17. In part one, after japan ' s twice oil crises, it draws its own energy strategy and described the rupture of petroleum pipeline between china and russia. it analyses the background of the cooperation between japan and russia ; in part two, in recent years, there being scrambles for petroleum pipeline among china ? japan and russia, the author sets force its own position and benefits on this question of each side and points out the reflection of the complicated international tense situation and the commercial benefits ; on part three, the author points that japan ' s energy diplomatic strategy and northeast asia strategy. on part four, analyzing the advantages and disadvantages, the author sets force the effect and prospects of the japan and russia ' s energy cooperation to northeast asia

    第一部分在簡要介紹日本兩次石油危機之後的戰略形成及在日、中、俄圍繞能源合作問題中，由於日本半路殺出，導致中俄輸油管線初步協議破壞，這是日本與俄羅斯進一步加強能源合作的原因;第二部分對近年來日?中?俄油氣管道之爭，深入闡述並分析各自所持立場，並指出這種大國之間的較量充分反映了當今國際社會復雜的地緣政治關系和商業利益格局;第三部分從能源和地緣戰略角度進一步指出日本對俄羅斯能源外交戰略及對東北亞戰略的關系;第四部分從分析東北亞區域能源合作有利和不利因素出發，闡述日俄能源合作對東北亞地區的影響及前景展望。
  18. The bending direction is determined by behaviors of two adjacent sma actuators. only depending on the bias spring, the active catheter ca n ' t resume to linear state, and time for resuming is too much

    僅僅依靠偏置彈簧，主動導管存在無法完全恢復到直線狀態而且恢復速度較慢的問題，可以通過反方向上的彎曲動作來改善。
  19. So by this method, we can test the water content of the raw cement slurry through testing the velocity of the detector, it is certainly that it can test other slurry, such as paper slurry, mud slurry, mine slurry ctc. the fluid mechanics charactoristic of the slurry is complex, therefore it is difficult to establish the two - dimension or three - dimension mathematical modle to decide the relationship between the water content and the revolving speed of the detector. so the research for rotational detector in this topic is through the method of proper regressive analysis of experimental datas to establish the relation among the water content, the palse and the voltage

    料漿的流體力學性能是復雜的，要想通過建立二維或三維的仿錐形旋轉式檢測頭在料漿中旋轉的流體力學數學模型，來確定料漿水分含量與檢測頭的轉速關系是十分困難的，甚至是不可能的，因此本課題對于旋轉式檢測頭的研究，是通過對實驗數據進行多元線性回歸的處理方法，建立起水分含量與紅外線對管輸出的脈沖數p及電源電壓之間的關系。
  20. The establishment of efficient traffic models to reveal fundamental traffic characteristics is an essential requirement in the design, planning and operation of transportation systems. cellular automata ( ca ) are non - liner dynamical system in which space, time and state values are discrete, using simply rules, ca has attained very good results in simulating several complex natural phenomena and physical problem. that enlightens people to simulate traffic flow by ca method. urban major road performs critically on dredging traffic, therefore, it is very necessary to study the control and manage for urban main - road

    交通系統的規劃、設計和運作要求有能反映交通現象基本特徵的交通模型。元胞自動機是空間、時間和狀態都離散的非線性的動力學系統，它用簡單的規則在計算機上模擬各種復雜的自然現象和物理現象，並取得了很好的結果，啟發人們用它來模擬交通問題。城市主幹道擔負疏導交通的重要作用，因此對主幹道交通流的控制與管理的研究是非常必要的。
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