文件參考線 的英文怎麼說

中文拼音 [wénjiànshēnkǎoxiàn]
文件參考線 英文
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  • : Ⅰ名詞1 (字) character; script; writing 2 (文字) language 3 (文章) literary composition; wri...
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  • : 參構詞成分。
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  • 文件 : 1 (公文、信件等) document; file; papers; instrument 2 [自動化] file; 文件保護 file protection; ...
  1. With the use of finite method we have developed computer simulation software for vacuum microtriodes with wedge - shaped and cone - shaped cathode on the basis of stduying deeply the field emission theory of vacuum microelectronics. the software included field section, grid point numbering, and the calculation of electric currents, transconductance and cathode capacitance, moreover, it can simulate the properties of vacuum microeletronic with variant structures and sizes. the relationship was studied and simulated among electic properties and device structures, sizes and cathode materials etc. the optimized design of vacuum microtiode was proposed

    在深入研究真空微電子器場致發射理論的基礎上,根據圓錐形、楔形陰極真空微電子三極體的不同特點,分別建立了物理和數學模型,在慮空間電荷密度影響的前提下,以有限元法為基礎採用迭代的方法計算出真空微電子三極體內的電勢分佈情況,繪制出了等勢、電子軌跡,並得到了器電學性能隨幾何數的變化情況。
  2. Benthic foraminifer fauna, ams14c dating and acoustic sub - bottom profile was analyzed in the core ey02 - 2 and ey02 - 1 drilled from the muddy deposit in the middle southern yellow sea and the mid - shelf of north east china sea. considering the results of core qc2 ? dz4 and the standard oxygen isotope curves, we discussed the late - quaterenary paleo - environment evolution, benthic foraminifer fauna, paleo - climate, the climate events and water mass in postglacial period, average sedimentation rates, paleo - water depth, origin of sediments, average sea level rise rate in the shelf of south yellow sea and east china sea. at last we discussed the condition of sea level rise in the east china, green house effect and the protection of coastal zone

    根據南黃海中部泥質區和東海中陸架的兩個鉆孔巖芯的古生物、 ams ~ ( 14 ) c測年、淺地層剖面等,qc _ 2 、 dz _ 4成果及標準氧同位素曲探討了黃東海陸架晚第四紀古環境演化、底棲動物群特徵、古氣候、冰後期以來氣候事、古水團、沉積速率、古水深、沉積物源、海平面平均上升率,討論目前中國東部海平面上升的狀況、溫室效應及海岸帶保護。
  3. We make the following assumption for when 2 is positive definite matrix, different estimators about matrix of regression coefficients and inefficiency of least squares estimate have been discussed in many documents. considered 2 is nonnegative definite matrix, this thesis derives best linear unbiased estimate of parameter matrix b and estimable parameter function kbl under the meaning of matrix nonnegative definite and the property of maximum probability of blue is investigated. next, we discuss some necessary and sufficient conditions of the equality of the lse and blue, then we derive the estimation of the deviation bet - ween the least squares and the best linear unbias estimators of the mean matrix, meanwhile a relative efficiency of lse ofb is proposed and its bound is given

    當0時,眾多獻討論了回歸系數陣的各種估計及lse的有效性,本慮了當0的情形,給出了回歸系數陣b及其可估數函數kbl的在矩陣非負定意義下的最優估計( blue ) ,研究了它的一個最大概率性質,並且討論了最小二乘估計成為最佳性無偏估計的充分必要條,在此基礎上給出了均值矩陣的最小二乘估計與blue的偏差估計,定義了lse相對于blue的一個相對效率,並給出了它的界。
  4. Therefore the emergence and development of the culture of science and technology can be traced back to the initial conditions of geography and climate, viewed as the factor of internal fluctuation from the sensitiveness of the random choices of the cognitive subject to the initial conditions. since a culture has a pivotal component as its core, once the culture of science and technology comes into being under nonlinear interactions of the social subsystems, the core component functions in the same manner as order parameter in the self - organization system, immensely attracting, regulating and controlling others under the slaving principle. and thus the analysis provides a nonlinear approach to the needham ' s problem

    對于任何思想化傳統而言,其形成和延續都有其現實的物質生活的根源,因而,對于科技化的產生和發展,我們能夠返回到其發生的原點? ?即地理氣候等初始條,從認知主體的隨機性選擇對初始狀態的敏感性方面,視其為科技化產生的內漲落因素,察其對科技化形成的影響;而一種化之所以稱其為化,必有其全局控制力的核心因素,科技化是在社會各子系統非性的相互作用下形成,其核心因素所發揮的作用就如同序量在自組織系統中的作用那樣,在支配原理的作用下起著規范、引導和支配等效用。
  5. It divides the specific shapes of city space into streets, water systems, city skyline and corridors of sight lines. it also aims at the special landscape of hilly cities and analyzes their characteristics from macro and micro angles. at the same time, it explores some specific treatment principles and design methods, in hopes that it could provide useful references for the landscape constructions of china ' s hilly cities

    主要是從城市景觀的角度,把在山地城市的景觀構成中占重要地位的形景觀作為主要的研究對象,並根據城市空間的具體形態,將其分為街道、水系、城市天際和視走廊等幾個部分,針對山地城市特殊的地形條,從宏觀、中觀、微觀等角度,分析它們各自的景觀特點,並結合大量實例探討了一些具體的處理原則和設計方法,以期對我國山地城市的景觀建設提供有益的
  6. A precision force banacing accelerometer for ineration navigation application is developed. the resolution, low - sensitivity threshold and high thermal stability are considered as design parameters. in order to guarantee a low - sensitivity threshold while maintaining robustness against shock, push - pull type long flexures are used in this paper. to improve thermal stability, this paper discusses the use of electromagnets as a magnetic fied source. the silicon pendulum assembly and modified inducance type pick - up is also developed to reduce assembling procedure. the measure range of accelerometer is 0 - 70g

    加速度計的解析度、靈敏度閾值和高的熱穩定性是設計時主要慮的數。本論中使用推?挽式長撓性結構來保證低靈敏度閾值,同時保證抗振魯棒性。為了提高熱穩定性,本中討論了利用永久磁鐵作為磁場源;微加工技術被引入擺組的結構設計和利用力矩圈作為激勵圈來簡化電感式的檢測裝置。
  7. Because central potentials of four y windings in 12 - phase generator are not equal each other and there is no common reference inside the generator, it is difficult to identify the on / off of rectifying elements. in this paper, by using a mathematical model with line voltage substitute for phase voltage, the problem that there is no common reference in the 12 - phase generator with rectifier is solved. based on results of the studies on small prototype, 920kw charging generator applied in a submarine is improved in design, and therefore power oscillation with high magnitude when two generators are operating in parallel

    由於十二相發電機中四個y繞組的中點電位不等,電機內部沒有公共點,從而在判斷整流元導通時,不能象三相同步發電機整流系統那樣認為陽極電位最高或陰極電位最低的整流元導通,本採用了以電壓代替相電壓建立十二相整流發電機的數學模型,從而解決了十二相發電機無公共點的問題。
  8. In this paper, based on the analysis of the rlem of theory foundation, computing method, preference, applicability, etc, we anatomized the rlem of three self - deficiencies and six scarcities. moreover, we adopted the parallel ways of contrasting the rlem with the fem and applied it to analyzing the impact of slide block of elasticity and plasticity, slip surface of coefficient and slip bed of elasticity, plasticity upon the stability of slope and in the plain linearity slope, the plain refracted line slope and the plain arc slope. in addition, we discussed the warp of between the lem of ( sarma, janbu, order, bishop, morgenstera - price, etc ) and the fem of result and the distributing of positive stress and shear stress on the slip surface

    從剖析剛體極限平衡法的理論基礎、計算方法、數選取、適用條等方面入手,剖析了剛體極限平衡方法的3點自身缺陷和6點不足,並在此基礎上採用了剛體極限平衡法(平面滑動破壞法、 sarma法、傳遞系數法、普遍條分法、 janbu法、 bishop法、 morgenstern - price法)與大型有限元法對比研究的方法,分析研究了平面直型滑坡、平面折型滑坡、平面圓弧型滑坡在漸進破壞中邊坡的滑體彈塑性數、滑麵塑性數) 、滑床的彈塑性、以及極限平衡法無法慮開挖應力釋放等因素對邊坡穩定性的影響與滑動面上的正應力、剪應力分佈規律、安全系數的解答的差異。
  9. In the paper, the transmission power of section constituted by the assigned branch is seen as objective function, assigning the adjustable generators both in sending system and receiving system, assigning the faults set, including the constraint conditions such as the differences between the angles of rotor and the inertia center angel of the whole system, the thermal stability of branch and node voltage, obtaining the results by using interior - point solution and line - predominant jordan

    提出的慮暫態穩定約束的可用輸電能力演算法是以指定路組成的斷面的傳輸功率為目標函數,指定送端系統和受端系統中調節的發電機,指定故障集情況下,以發電機轉子相對全系統慣性中心的角度差、路熱穩定、節點電壓等構成約束條,採用內點法和行主元約當逐行消去法求解問題的最優解。
  10. First, we make the basic need of magnetic circuit clearly, present the theory formulation for permanent magnetic circuit of radial polarization using the method of analyzing the theory of magnetic circuit of axis polarization, and program the calculational programme to simulate the magnetic field of magnetic circuit applying finite difference method. then we continue to study using the adult soft of femm of calculation magnetic circuit magnetic field, consider many factors affecting it, get a great lot of data and curves, give some better magnetic circuit structures for reference at our laboratory. in the end, with the condition of our lab, we measure the permanent magnetic circuit completed, then the experimental and calculational simulation results have been discussed and analyzed

    首先闡述了磁路計算及設計的基本要求,利用分析軸向永磁體磁路理論的方法,推導出了求解徑向磁化磁路的理論方程,應用有限差分法,編制了計算程序,對磁路的磁場進行了模擬;然後利用比較成熟的計算磁路磁場軟體femm作深入研究,慮了影響磁路磁場的多種因素,得出了大量數據和曲,給出了幾組比較合理的磁路結構,可供實驗的;最後,結合本實驗室條,對現有永磁體磁路進行了冷測,將測試結果和計算模擬結果作了比較,並進行了討論和分析。
  11. Document reference edge

    文件參考線
  12. Using comptlter as the tool, referencing geographic information system ( gis ), based on the data of l / 200, 000 geochemical exploration and remote sensing, this dissertation researches in the data image processing methods, and accomplishes automatic searching and locating abnormity of geochemical exploration, providing basis of series minerals prediction. with processing of the remote sensing images, structural lines are picked, and the mineralization conditions are determined

    以計算機為工具,地理信息系統( gis ) ,以1 20萬化探數據和遙感資料為基礎,研究出化探數據的圖像處理方法,最終實現化探異常自動搜索定位,提供系列礦產預測依據,結合遙感影像的圖像處理,提取構造,確定研究區的成礦條
  13. Using the general finite element programming package of ansys10. 0, the study of gabled frames beam - column end - plate connections is made, considering synthetically nonlinear ( material, geometry and contact ), bolt pretension forces and ratio of axial compression stress to strength. elastic - plastic finite element analyses are carried out among 28 species of 3 series under monotonic loads, in order to discuss the influence of parameters including stiffness of end - plate, bolt diameter, friction coefficients and so on

    使用通用有限元軟體ansys10 . 0綜合慮了三重非性(材料非性、幾何非性以及狀態非性)的影響,同時慮了螺栓預拉力的影響,對慮端板厚度、端板加勁肋的設置、螺栓直徑、摩擦系數等數不同的3個系列(端板系列,螺栓直徑系列,摩擦系數系列) 28個試進行了有限元數值模擬,對連接節點的性能進行了分析研究。
  14. Several influence factors to result plasma drift in hainan were analyzed. in this paper the characteristics of ionospheric parameters variation were analyzed systematically and some new results in storm - time such as seasonal behaviors were obtained ; it is the first time to investigate the ionospheric drift behavior in hainan and some new results was obtained, the relationships between each two plasma drift velocity components in storm time in hainan were found and the electric filed variation in hainan ionosphere also was obtained ; the results also show that there are big differences of the ionosphere parameters bo and bl obtained from the data with that obtained from the iri - 2001 applied for hainan ; a new phenomena was found during a strong magnetic storm, that a layer with very strong electron density and density grad was found during the recovery phase of the storm, its horizontal scale is beyond 100km and temporal scale is about 2 hours, this phenomena repeated 3 times continuously. a type of negative disturbance in high and low latitude but positive disturbance in east - asia also has been found

    較為系統地給出了海南地區電離層的數變化特徵,特別是得到了一些暴時與以往不同的季節特性;第一次給出了海南地區的電離層等離子體漂移特徵,發現等離子體漂移暴時擾動在三個方向上有內在的聯系,得到了電場變化曲;研究結果還表明海南電離層的半厚指數和形狀數等與國際電離層iri - 2001存在很大差別;通過對強磁擾動事期間的數變化特性分析發現,在磁暴恢復相期間海南地區電離層底部存在一個電子密度非常大的高密度區,高密度區底部電子密度梯度隨高度急劇增加,該區域的水平尺度可達100公里以上時間尺度約為2小時,連續出現過三次,這是一個在海南從來未發現的新現象;研究還發現了暴時東亞地區電離層擾動會出現高低緯負相而中緯正相的現象。
  15. Abstract : the method of using formaldehyde buffer solution a b sorption - hydrochloric pararosaniline spectrophotometry to determine sulfur diox ide in air has higher sensitivity and good selectivity, and prevents from adoptin g mercurial absorbent. but the conditions in lab are not well controlled, the v alue of reagent blank and standard curvilinear slope can ' t accord with the one s tipulated in “ methods for air and waste gas monitoring and analysis ”. some opra tional techniques for so2 determination in lab are introduced for reference

    摘:以甲醛緩沖溶液吸收-鹽酸副玫瑰苯胺分光光度法測定空氣中的二氧化硫,方法靈敏度高,選擇性好,避免了使用含汞的吸收液,但如果實驗條控制不好,試劑空白值及標準曲的斜率就會不符合《空氣和廢氣監測分析方法》中規定的值,本著重從操作技巧方面對二氣化硫測定的實驗室質量控制進行分析,僅供
  16. Very small aperture antenna terminal vsat equipment has been installed at the hong kong observatory and chek lap kok for reception of the wafc london broadcast. the vsat equipment occupies very small space. it consists of an antenna and a receiver for reception of the satellite data stream and a data processing workstation for processing and display of the wafs information to forecasters and for incorporation into flight documents

    臺在總部及赤角分別安裝了甚小天地面站vsat ,以接收倫敦世界航空區域預報中心的廣播,這套儀器佔地甚小,包括天及接收器,用以接收人造衛星數據,也包括數據處理工作站,用以處理並顯示世界區域預報系統的資料,讓航空預報員及用以製作飛行氣象
  17. Abstract : a new method, which is based on the force equilibrium condition and the geometrical compatibility condition of cable, according to the constant unstressed length of cable, is presented in this paper to determinate the geometric of suspension bridge free cable. numerical examples with humen suspension bridge are given to demonstrate the effectiveness and the validity of the proposed method

    摘:根據索的力的平衡條及變形相容條,由纜索無應力長度不變的原則來建立纜索狀態方程,提出了懸索橋主纜空纜狀態形分析的一種新方法.以虎門懸索橋為例對該方法的正確性和適用性進行驗證,可供橋梁工程技術人員設計
  18. In this paper, the concepts, the historical background, the importance and current application of scientific computing and visualization of scientific computing are introduced and the visualization of computational detonation mechanics is specially expounded. based on the sumarization of the visualization software visc2d and visc3d directing at the mmic ( multi _ material in cell ), the key point of the improvement and the research contents are listed. based on the basic visualization reference model and the data file format of mmic, the file format of vector data is defined. the 2 - d data field visualization technology is described in detail. include the visualization of scalar field and vector field. the weak points of the visc2d software is overcome, and we propose the full - frame coloring mapping method and the visualization of the vector data using the clic ( coloring _ noise line integral convolution ). in addition, the method to draw and display shock wave by edge probing operator is introduced. in the design of the program, in order to overcome the shortcoming of visc2d with sdi ( single document interface ), the software vsv ( visualization of scalar and vector ) with mdi ( multi document interface ) is designed. compared with visc2d, the advantage of vsv includes : ( l ) vsv is a mdi applied software which can be used to view various kind of data, ( 2 ) vsv resolves the flash during displaying moving images which are produed by full - frame coloring method used to the visualization of scalar fields, and ( 3 ) vsv can be used to visualize vector field such as velocity. at last, the visualization of the output data from mmic in explosion and shock is realized by vsv

    首先簡要介紹了科學計算與科學計算可視化的概念、歷史背景、意義及應用現狀,重點說明了計算爆炸力學中的可視化問題,在總結多流體網格程序mmic的可視化軟體visc2d和visc3d的基礎上提出了改進要點和本的研究內容。在介紹可視化基本模型和mmic程序的數據結構的基礎上,給出了矢量數據的結構,詳細闡述了二維數據場的可視化技術,包括標量場和矢量場的可視化,針對原visc2d軟體的不足,給出了改進方法,提出了全幀著色映射方法和用於矢量數據可視化的基於噪聲著色的積分卷積方法,以及提出了利用邊緣檢測運算元提取和顯示沖擊波的方法。在程序設計上,針對原visc2d軟體只適用於單檔窗口的缺點,本利用多檔mdi窗口,研製了標量場與矢量場的可視化軟體vsv ( visualizationofscalarandvector ) 。
  19. Besides the resistance of wires and electric devices, there are components built specifically to produce resistance. they are called resistors

    :除了導和電器的電阻外,還專門製造了一些元用於產生電阻,這些元被稱為電阻器。
  20. Due to complicated continuous helicopter models and a wide range of constraints, numerical solutions on a mainframe computer have to take a long time. for a given set of initial helicopter states and flight parameters, optimal solutions are fitted by a fourier series. the coefficients of the fourier approximations are then interpolated as functions built by three - layer bp network with inputs of initial flight states and parameters

    最後,由於直升機數學模型的復雜性,這給實時優化計算帶來很大困難,本研究了地面計算機計算的最優軌跡如何在機載計算機上實時顯示,對飛行員的操縱提供,即把不同初始條得到的最優軌跡曲進行傅立葉部分級數化,得到傅立葉系數,選取合適初始條作為變量,對這些最優軌跡曲進行擬和,建立bp神經網路預測模型。
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