three-dimensional current 中文意思是什麼

three-dimensional current 解釋
三維流
  • three : n. 1. 三個人[東西]。2. 三歲，三時。3. 【板球】3字型。
  • dimensional : adj. 1. 尺寸的。2. 空間的。3. 【數學】因次的；…次（元）的。
  • current : adj. 1. 通用的，流行的。2. 現在的，現時的，當時的。3. 流暢的；草寫的。n. 1. 水流；氣流；電流。2. 思潮，潮流；趨勢，傾向。3. 進行，過程。
  1. Numerical simulation study on three - dimensional velocity field of fluvial channel current

    河道水流三維流速場的數值模擬研究
  2. In this article, the fundamental principle and current research of optical data storage including cd and dvd, three - dimensional optical data storage and near - field high - density optical data storage are summarized. a two - dimensional finite difference time domain program for analysis of solid immersion lens system is compiled

    本論文概述了已產業化的以cd和dvd為代表的光盤存儲技術和在開發中的高密度光存儲技術（主要包括三維光數據存儲技術及近場光學超高密度光存儲技術）的原理及研究現狀。
  3. From the pictures of the three - dimensional current system, we can see that the magnitude of the kuroshio current minishes as it deepens

    從三維流場圖可以看出，黑潮的強度隨深度明顯地減弱。
  4. The types of the detection equipments and apparatus are over 100, such as x - ray detector, r - ray detector, digital ultrasonic flaw detector, eddy current flaw detector, eddy current flaw detector, magnetic memory metal diagnostic instrument, acoustic emission testing an analyzing system, three - dimensional ultrasonic testing system, microcomuterhydraulic pressureniversal testing machine, metalloscope, portable direct - read spectrograph, have achieved the national advanced technology

    擁有各種檢測設備100多套，如射線探傷機、數字式超聲波探傷儀、渦流探傷儀、磁記憶金屬診斷儀、聲發射檢測及分析系統、三維超聲波檢測系統、便攜式直讀光譜儀、微機式液壓萬能試驗機、金相顯微鏡等，達到國內先進水平。
  5. Introduction of the current status and development of key technologies of the three - dimensional contour measurement. creation of the measuring means of free curved surfaces of objects, based on the passive stereo visual technology and the active liquid crystal grating encoding technology

    綜合結構光法和立體視覺法，在對傳統視覺傳感器結構統一的基礎上，提出了基於被動式雙目立體視差技術和主動式液晶光柵編碼技術傳感器，實現物體的三維形貌數字化測量。
  6. In the end, the impedance matrix of any three - dimensional conducting object can be portioned into sub - matrices by the projection iterative method ( pim ), the surface current and rcs can be calculated with convergent iterations, the wide - band electromagnetic scattering characteristics of three - dimensional conducting objects are also analyzed with the asymptotic waveform evaluation technique

    最後應用投影迭代方法（ pim ）將三維導體目標的阻抗矩陣剖分成小矩陣，通過迭代計算出表面電流和雷達散射截面，並與漸近波形估計技術結合分析了三維導體目標的寬帶電磁散射特性。
  7. Based on the u. s. navy generalized digital environmental model ( gdem ) climatological temperature and salinity data on a 0. 5 x 0. 5 grid, the three - dimensional current system in the kuroshio south of japan and kuroshio extension is determined and analyzed by using the p - vector method

    本文選用美國海軍gdem全球氣候月平均溫鹽資料，空間解析度為0 . 5 0 . 5 ，應用p矢量方法對日本以南黑潮和黑潮延續體三維流場進行了診斷計算和分析研究。
  8. As a result, the studying aim of this paper is to establish a practical and complete system for the prediction of ship maneuvering motion, taking into account of the influence of the environmental factors, such as the wind, wave and current, establish a practical and complete system for the prediction of ship maneuvering motion. in this paper, the opengl virtual reality simulation technique is introduced into the field of ship maneuver and control, and using the mmg mathematical model, the three dimensional dynamic simulation system of the ship motion is established and good results are achieved. in the process of the system development, firstly, the maneuvering motion equations for ship in the still water are established, based on the mmg module mathematical model and serial experimental result

    在系統開發過程中，首先採用mmg分離式數學模型及相關的系列化試驗結果，建立單槳單舵海洋運輸船舶在靜水中的船舶操縱運動方程，並編制計算程序，經與試驗結果比較，證實了計算結果的正確性;為了解mmg數學模型中模型參數變化對操縱性指數的影響程度，作者在上述已有程序基礎上，對有關模型參數進行偏移修正，探討了相應參數變化后的操縱性指數，對船舶操縱性指數對模型參數的靈敏度進行了詳細的分析與探討，所得結論與工程實際相吻合，具有實際應用價值，並為進一步提高船舶操縱性預報的精度打下了基礎;然後，在已有的船舶靜水操縱運動模型基礎上，考慮雙槳雙舵的影響，建立了內河雙槳雙舵船舶的操縱運動模型;最後，綜合考慮風浪流作用力的影響，進行了船舶的操縱運動模擬計算。
  9. Material composition appears, and reading material in - put makes the chinese test change from two - dimensional construction to three - dimensional construction ( chinese knowledge, reading and composition ). graduation tests departing from entrance tests, exploration of the standardized test, weakening the chinese knowledge, the researches of controlling error of judging composition, pattern set " 3 + x ", judging test papers on net, and experiments of spring and summer university entrance test. all the above, having made remarkable achievements, make the current chinese test more modernizing and scientific

    供料作文的出現，閱讀內容的增加使語文試卷由二維結構到三維結構的轉變，畢業會考與升學考試的分離，標準化考試的探索，語文知識考試的淡化，對語文能力測試的重視，作文評分誤差控制的研究以及高考「 3 + x 」科目設置試驗，網上閱卷和春夏兩季招生考試試驗等都為語文考試現代化、科學化作了有益的嘗試，也取得了顯著的成就。
  10. By using this model, jiaozhou bay lagrangian residual current is calculated and the water exchange is discussed. because this model is a three - dimensional one, it is very useful to solve the three - dimensional marine environmental problems, such as the suspended matters, the spilled oils and so on

    計算了膠州灣拉格朗日余流，並討論了膠州灣的水交換狀況；余流計算結果表明海泊河口至大沽河口連線以南的海域為水交換活躍區，膠州灣東北部則水交換滯緩。
  11. This thesis, which regarding the ocean monitoring integrated information system as the subject background, directing against the domestic and international current research situation, has discussed three - dimensional maritime affairs gis several key technologies

    本文以海洋監視一體化信息系統為課題背景，針對國內外的研究現狀，討論了三維海事gis若干關鍵技術。
  12. The company serves content around project early days, metaphase, later period each phase, cover earth to build, each major such as adornment, installation, municipal, gardens, traffic, irrigation works ; especially : service of representative of invite public bidding permeates reconnaissance, design, inspect manage, construction, equipment, material, purchase wait for each domain ; cost seeks advice use current the most advanced tsinghua si weier is three - dimensional system of software calculating an amount, control to the project executes the spot to be mirrorred in real time and undertaking cost dogs ; the adroitness in project management uses fidic term and conditions of contract, the mature construction on international project management pattern introduces in management of domestic construction project ; company of software of subordinate path be in harmony is with advanced science and technology rely on, foot of client of prep close behind leads the market, dedicated the development at project software, apply with promotion

    公司服務內容圍繞工程建設前期、中期、後期各階段，涵蓋土建、裝飾、安裝、市政、園林、交通、水利等各專業；特別是：招標代理服務滲透到勘察、設計、監理、施工、設備、材料、采購等各領域；造價咨詢採用當前最先進的清華斯維爾三維算量軟體系統，對工程實行現場實時反映並進行造價跟蹤控制；項目管理中熟練運用fidic合同條件，將國際上成熟的建設項目管理模式引入到國內建設項目管理中；下屬道融軟體公司以先進科技為依託，緊隨客戶步調引領市場，專注于工程建設軟體的開發、運用與推廣。
  13. Comparison of flow regimes is made for different reynolds - number flows and mesh refinement. the current study for the laminar flow over a backward - step facing step explores the influence of the sidewall on the development of three - dimensional flow for re > 400. meanwhile, this paper attempts to study on some important aspects of time - dependent incompressible viscous flow

    本論文的主要研究成果有： 1 、評述了三維粘性流動數值模型的研究現狀，分析了各數學模型的建模思想及相應的數值計算方法，提出了當前存在的高精度的數值計算方法和邊界條件的適定性問題。
  14. Combining with the practical project, the development of an instrument for multi - channel harmonic detection and analysis were described in the third chapter, including the system structure, hardware and software of the device. then the technology of multi - channel data gathering was discussed, and some key techniques have been presented including high precision 、 high speed sampling of the voltage and current, fast flourier transform ( fft ), data compression and storage techniques, planar graphic fitting, three dimensional graphic projection, multithreading and the computer graphics techniques

    第三章結合多通道諧波監測及故障錄波一體化裝置的研製這一課題，介紹了裝置的體系結構和硬體、軟體構成，詳細介紹了在裝置研究過程中所提出的關鍵技術，主要包括電流電壓信號高精度、高速采樣技術，快速傅立葉變換fft 、數據壓縮存儲技術，多線程技術，二維圖形擬合、三維圖形投影技術及海量存儲技術，計算機圖形技術等。
  15. At the heart of slcad is a sophisticated three - dimensional engineering model. this model includes the terrain, the structures and all the wires. the model can be viewed in plan profile sheets. the slcad model is much more than just a picture or cad drawing since slcad understands the relationship between these elements. when you drag a structure off the current alignment slcad will update wire positions. the effects of this structure move will be instantly visible in the plan profile sheet view. in slcad you concentrate on designing your line instead of wasting your time drafting

    有時控制尺寸會有所調整，有時節點板設計會變化一下。傳統繪圖時，面對修改，面對審圖人員發現的錯誤，繪圖人員往往只能夠手工一筆一劃地修改dwg圖形，工作量非常大。雖然有自動成圖軟體的支持，但是對待修改圖的工作，依賴自動成圖軟體重新從頭再生成一遍圖形既麻煩又可能帶來其它意想不到的問題。
  16. In this paper, the current three - dimensional measuring systems in home and outsides are analysed, the design project based on optic induction technology and singlechip is put forward. in the case, the problem in orientation is solved by optic induction technology, the system is composed of integrate circuits, in the end the integration is enhanced and the design of hardware is simplified. the data collection process and communication in the system are completed by programming

    在方案的實現過程中，利用先進的光學感應技術有效地解決了三維量測系統的定位問題；採用多種集成晶元構成適于專業三維量測的單片機應用系統，提高了系統集成度，簡化了系統硬體設計；通過單片機程序設計實現了三維量測系統的數據採集、處理與通信。
  17. The moment method is used to calculate the rcs of three - dimensional targets in this paper. these targets include conducting targets, dielectric targets and coat targets. triangular patches are used to model the surface of the target, then electric field integral equation ( efie ) and magnetic field integral equation ( mfie ) are built which satisfy the boundary conditions. the rwg vector base functions are used to denote equivalent electric current and magnetic current on the surface of the target. finally use the galerkin method ( rwg vector base functions are basis function and test function ) to transform integral equations into matrix equation. when obtain the equivalent electric current and magnetic current, we can calculate the scattering field and the rcs of the target

    本文利用矩量法計算了三維導體目標、介質目標、塗層目標的雷達散射截面。首先採用三角形面元對物體表面幾何形狀進行模擬，然後建立滿足邊界條件的電場積分方程（ efie ）和磁場積分方程（ mfie ） ，將物體表面的等效電磁流用rwg矢量基函數表示，最後利用伽略金法（ rwg矢量基函數既作為基函數又作為檢驗函數）將電磁場積分方程轉化為矩陣方程求解未知電磁流系數，得到了表面的等效電磁流后，可以計算散射場和目標的雷達散射截面。
  18. At the beginning of 1980 ' s, bossavit and verite put it to practical application to three - dimensional eddy - current problems. in 1987, barton and cendes applied the tetrahedral element to three - dimensional magnetic calculation. since 1990 ' s, j. m. jin and j. l. volakis have studied a series of electromagnetic scattering and radiation problems using hybrid techniques based on edge - based fem

    80年代初期， bossavit和verite將四面體棱邊元應用於三維渦流問題， 1987年， barton和cendes將四面體棱邊元首次應用於三維磁場計算揭開了基於棱邊的有限元方法在電磁問題中應用的序幕。
  19. In this thesis, our research work mainly focuses on the following four aspects : 1, studying and perfecting the generation algorithms of plant modeling, building three - dimensional plant model on the basis of studying current algorithms of plant modeling, combining iterated function system and l - system, we brought forward the random binary three - dimensional recursive model

    本文的主要工作內容集中在以下四方面： 1 、研究並改進植物建模演算法，生成三維的植物模型在研究目前植物建模常用演算法的基礎上，結合迭代函數系統法（ ifs ）和l系統法提出了樹木類植物的隨機二叉三維遞歸模型。
  20. In this paper, the current states of research about the basic theory of stationary state perturbation method are firstly reviewed, on base of them, and studied some physics issues mainly about hydrogen atom. the stark effect of the energy level ( n = 4 ) of hydrogen atom is calculated and the stark effect of three dimensional hydrogen atom is discussed by the use of the parabolic coordinates, then the perturbative matrix elements for each energy level are given

    本文首先綜述了關于定態微擾論基本理論的研究現狀，在此基礎上利用定態微擾論對某些物理問題，主要是對氫原子問題展開了研究，計算了氫原子n = 4能級的斯塔克效應，並利用拋物線坐標法求解了三維氫原子的斯塔克效應，給出了氫原子斯塔克效應中微擾矩陣元的普遍公式。
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