fourth layer 中文意思是什麼

fourth layer 解釋
第四層
  • fourth : n 每月的四日；【音樂】四度音程，四度和音，第四音； 〈pl 〉 【商業】四級品。 a fourth part 四分之...
  • layer : n 1 放置者，鋪設者，計劃者。2 【賽馬】（一般）賭客。3 產卵的雞。4 【軍事】瞄準手。5 層；階層；地...
  1. A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived

    對于曲線坐標系下的拋物化穩定性方程，文中發展了求解的高效數值方法:引進法向變換，使得在臨界層與壁面之間的擾動量變化最快的區域有更多的法向網格點;導出包含邊界鄰域在內的完全四階精度的法向有限差分格式，這對方程精確離散至關重要;採用全局法和局部法相結合的方法及其新的迭代公式，大大加速收斂並得到更精確的特徵值。
  2. The power station is situated in the area of 8 earthquake fortified zone, the fourth sand layer are probably liquefied and the second sand layer are not liquefied in the situation of 7, 8 earthquake. however the security index of anti - liquefying of second sand is not very high in the situation of 8 earthquake

    地基中間隔存在第和第層兩層淺灰黃色砂層，均系堰塞湖相沉積物，電站處於8地震設防區，在7 、 8地震情況下第層砂層均有液化的可能；第層砂層均不液化，但在8地震情況下砂土抗液化的安全系數不高。
  3. Several numerical experiments are carried out to detect the actual steps and limitation for the velocity and depth parameter ' s ray inversion in the fourth chapter, and the we find that : a. the resolution capability of the layer ' s velocity change along both the top and bottom boundary is very poor. thus generally the vertical homogeneous layer model whose top velocity equal to that of its bottom boundary should be considered

    本文的第四章通過一系列模型試驗詳細探討了利用射線反演方法反演速度和深度參數的實際步驟，認為走時反演對速度層內頂部和底部速度變化的分辨能力很弱，僅僅依靠走時數據難以反演出層內頂部和底部的速度變化，故一般情況下應採用速度層底部和頂部速度相同的縱向均勻模型。
  4. The contents of fourth chapter are to expatiate a new version of distributed three - layer long - distance watch system for pumping station of wuhan, which was designed according to the theory of windows dna and practical

    第四章的內容是根據windowsdna理論，結合具體的需求，設計了一套分散式三層結構的新版武漢市排水泵站遠程監控系統。
  5. The festival, the cakes were sent to you : the first layer wealth ; the second layer lucky ; the third layer - yun ; the fourth layer opposite ; interlayers shape

    佳節到，送您個月餅：第一層財運；第二層幸運；第三層福運；第四層桃花運；中間夾層甜密。
  6. In this paper, the design of electric forklift driving controller is demonstrated. otherwise, can is added into this controller, so as to build up can networks with other modules equipped with can controllers. this paper is composed of 7 chapters : in the first chapter, the background of the paper is introduced ; in the second chapter, the structure of electric forklift is demonstrated ; in the third chapter, first the math model of series motor is found, then the motor is controlled as improved p1d control rule ; in the fourth chapter, the principle and realization method of forward and reverse rotation and back - feed brake are explained ; in the fifth chapter, the principle of can and design of application layer in can are illuminated ; in the sixth chapter, the principle of e2prom is clarified ; in the last chapter, summary of the whole paper is given, and prospect in this field is made

    全文共分七章：第一章緒論，介紹了論文背景；第二章，系統綜述，介紹了電動叉車的整車結構；第三章，串勵電機的建模、改進的pid演算法及其軟硬體實現，首先根據串勵電機的機電特性推導出數學模型，然後在此基礎上結合pid控制規律對電機進行控制；第四章，串勵電機的正反轉及回饋制動，介紹了實現電機正反轉及回饋制動的原理及方法；第五章， can網路實現模塊間通訊，介紹了can總線原理及can總線應用層設計；第六章，用串列e ~ 2prom實現參數設定，介紹了串列e ~ 2prom的原理；結束語，對本論文進行了總結，並對該領域的發展進行了展望。
  7. We have carried out 230th / 234u dating on several intercalated calcite samples. the results show that the capping flowstone layer and the second one are holocene in time. the fourth flowstone layer is of an age of 55 ka, and the fifth one 110 ka

    新生碳酸鹽鈾系法測年顯示，張口洞堆積所代表的時間跨度比原認為的長得多，這一結果支持我國中、晚更新世人類遺址原有年代框架被總體壓縮的觀點。
  8. Proceed with warehouse current situation of the data, has stated the function of the data warehouse of marketing in the future emphatically ; second part introduce marketing data basic conception involved in the warehouse mainly, include some basic conception and basic operation mainly among them ; the third part to marketing data abstraction of data of the warehouse mainly, marketing data of warehouse include marketing data of database of operating etc. mainly, the data to draw according to one basic marketing basic function of company mainly, with entering commonly, round pin, storing the system the samly, this text provides detailed procedure and data ; some data in the data warehouse of marketing come from the relevant theme in addition, a series of measures including the products, taking in the customer, rival and marketing mainly ; make a more detailed explanation to the enterprise layer model of the data warehouse of marketing mainly with fourth part of this text, usually, the model of a datum warehouse includes three big basic respects mainly : conceptual model, logic model and physical model

    從數據倉庫現狀入手，著重說明了未來營銷數據倉庫的作用；第二部分主要介紹了營銷數據倉庫中所涉及的基本概念，其中主要包括一些基本概念和基本操作；第三部分主要是對營銷數據倉庫中數據的提取，營銷數據倉庫中的數據主要包括操作型營銷數據庫中的數據，這部分數據主要是根據一個基本營銷公司的基本職能進行提取，和通常的進、銷、存系統一樣，本文給出了詳細的流程和數據；另外營銷數據倉庫中的一部分數據來自於營銷過程與其相關的主題，主要包括營銷的四個基本步驟和幾個基本主題（產品、客戶、競爭對手） ；本文的第四部分主要對營銷數據倉庫的企業級模型做一個比較詳細的說明，通常，一個數據倉庫的模型主要包括三個大的基本方面：概念模型、邏輯模型和物理模型。
  9. ( 3 ) the forming wrapping structure because of interlayer between silt and clay at the transition part from the fourth layer to the fifth layer in the sediments section. according to this, intense change of the geoenvironment in this area at the period of filling up of the ancient barrier lake is presumed

    （ 3 ）通過在沉積物剖面的第四層到第五層過渡的部位可以看到粉砂土層和粘土土層相互滲透而形成的包卷構造，推測古堰塞湖淤積時期內該區域的地質環境發生了重大改變。
  10. The first layer is target layer. the second criterion layer includes 3 2nd - layers, which are sustainable environmental index ( en ), sustainable economic index ( ec ) and sustainable social index ( sc ). the third has 12 indicators and the fourth has 29 indicators

    該指標體系包含四層，分別為目標層（博樂城市可持續發展） 、準則層（經濟可持續發展、社會可持續發展和環境可持續發展三個指標） 、指標層（含12個指標）及分層指標（含29個指標） 。
  11. Fourth, there exists some corresponding relationships between spectral structure characters of ground micro - tremor and shear wave velocity of site soil layers. the outcomes of these two kinds of tests can be conferred each other. fifth, the correlations between predominant period of ground micro - tremor and thickness, and value of shear wave velocity of overburden layer are established

    第五，建立場地土覆蓋層厚度、剪切波速與地脈動卓越周期之間的相關關系，有助於通過勘測場地土覆蓋層厚度的結果估算場地地脈動的卓越周期，以及揭示場地土剪切波速與地脈動卓越周期的內在相關規律。
  12. In the fourth part, some key technologies about fine granular scalable video coding, decoding and rate shaping are surveyed, including how to shape the stream to get a better psnr, and how to allocate the rate of base and enhancement layer. a comparison study on the rate shaping analytic model of normal layered coding and fgs coding is presented

    另外，本文在對現有的fgs編解碼技術深入研究的基礎上，改進了精細分層編碼中的截取演算法，並討論了碼率分配演算法，通過實驗得到了碼率分配的重要結論，且提出和對比了一般分層編碼和精細分層編碼的碼流截取演算法解析模型。
  13. The fourth part designs the personal fire wall from the total top, dividing it into three pieces - core layer filter module, application layer filter module and user interface module

    第四部分從總體上對防火墻進行了設計，把它劃分為三大塊，界面模塊、核心層過濾模塊、應用層過濾模塊等。
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