direction field 中文意思是什麼
direction field
解釋
方向場-
The iron flings align themselves in the direction of the magnetic field
鐵屑按磁場的方向排列。 -
Second, according to field investigation and wind - tunnel experiment, some scholar s advanced that barchan dunes often appear in dynamic equilibrium shapes when th ey move along the direction perpendi cular to the dune ridge under the influence of unimodle sand - moving wind
風成沙的紅化和圓度特徵不宜作為判別其氣候意義的診斷性標志，應當結合動植物化石及石英砂顯微結構等線索來確定。 -
Besides the current development of carbinol industry, the article describes the research of carbinol downstream products both domestic and abroad, as well as the application and development direction in industrial field
報道了甲醇工業發展的現狀，綜述了國內外甲醇下游產品的開發研究，從幾個方面論述了甲醇在工業生產上的應用及其發展方向。 -
There is a north - north - east negative anomaly belt of aerial magnetism in the middle - east part of the basin, which could be displayed by the aerial magnetism of commutative field, upwardly continuation, lvt in earthquakes, the experimentation of granite liquation ( demagnetization ), the distribution of neozoic era volcanic rock, earthquake, hot spring and ground feature. the anomaly shows the blocking in east - west direction, and it is also associated with intense activity of deep heat interaction and the development of the crust - mantle mixed layer in the north qiangtang
從區域航磁、向上延拓、地震低速層、花崗巖熔融（退磁）實驗、新生代火山巖的分佈、地震、溫泉、地貌等發現，盆地中東部存在一北北東向航磁負異常帶，既顯示出東西分塊，也與北羌塘深部熱力作用強烈活動、發育「殼幔混合層」有聯系。 -
This then is something of a cursory view of the direction taken by contemporary quantum field theory.
這就是對現代電子場論的趨向的粗略的一瞥。 -
Third, using singular points and direction image, we class the fingerprint. we dispart four small fields in the center field of the fingerprint image. through the directions of the lines in every small field, we confirm the fingerprint type
基於方向圖分類法中將中心區域的方向圖分為左上，左下，右上和右下四個子區域，根據各子區的紋線走向來確定指紋類型。 -
In the different places the basal datum can be obtained from the drilling field through this system, in this way the technology resource and expert resource of different places can be taken full advantage to resolve the problem of technology weakness of the drilling team, and realize long - distance monitoring, long - distance direction, and long - distance management
該系統可以通過internet對鉆井現場進行遠程監視，異地獲得現場基礎數據。這樣，可以充分利用異地的技術資源和專家資源解決井隊技術力量弱的問題，實現遠程監視、遠程指導和遠程管理。 -
The direction of the electric field vector is indicated in each picture.
每張照片上都標出了電場矢量的方向。 -
The original orientation ( i. e. the mol with respect to the geographical north ) of the core in the formation can be obtained by palaeomagnetic orientation tests. the two results are combined to define the direction of the maximum principle stress of the well or field
該方法根據差應變分析（ dsa ）實驗確定地應力相對于巖心標志線的方向，利用古地磁方法確定巖心標志線相對于現代地理北極的方位，兩者結合確定地應力方向。 -
The studies of plane heterogeneity are as follows : the text counts the parameters of the sandlayers " geometric shape of different sedimentous microfacies ; speculates the conditions of lateral communication by sandstone density according to the method brought forward by j. r. l. allen ; gets a group of parameters including the reservoir thickness, porosity and coefficient of permeability by using kriging method according to the data of logging results ; makes certain the direction of coefficient of permeability with variation function by modeling globosity function ; divides the sandlayers into five types by using the method of flowing cell based on three parameters, that is x h, kxh and h / h, and accounts the favorable region. on the base of above - mentioned studies, the text evaluates the heterogeneity of sandlayers and gives the resolutions to these problems to serve the development of the field
Allen ）等人提出的統計方法，用垂向上砂體密度的界限來推測砂體側向連通情況；根據每口井的測井解釋資料，利用克里金插值法對外間進行插值，得到了一組反映儲層特徵在平面上變化的參數，包括儲層厚度分佈、孔隙度以及滲透率，並且成圖；利用變差函數法，通過球狀函數模擬，確定儲層優勢滲透率方向：根據流動單元法，以儲能系數、容積系數以及凈毛厚度比三個參數為依據，通過聚類分析方法進行流動單元劃分，並且按照參數特徵將其分為五類，統計各砂層有利流動單元區塊。 -
As the developmental direction of the future of the automation technology, the fieldbus is maturating gradually and is applied to every field of auto - control
以lonworks技術為基礎的lon現場總線是目前世界上應用最廣泛的一種現場總線技術。 -
The air - flow field in the stripping unit can be adjusted easy by changing the rotation speed of fan which is benefit to reduce the grain losses, it was found during experiment that the cross - flow fan can diffuse some of mog ( material other of grain ) and diffuse it in a certain direction which is useful to satisfy the working condition for driver and lighten working load of the threshing unit of the combine harvester candidate and speciality : peng shengmin ; machinary design and theory supervisor : prof. zhang huiyou
該裝置可以通過控制橫流風機的轉速，使裝置內氣流在有控制的情況下排出裝置外，改善了裝置內流場狀態，提高了裝置喂入口處的負壓，這對減少摘脫裝置的落粒損失，有著重要意義。由於橫流風機的除雜，可以減輕機器的復脫和清選負荷。安裝橫流風機后可以對裝置的出風口處灰塵進行有效導引，改善駕駛員的工作條件。 -
The main contents are as follows : firstly, this paper has analyzed and researched completely to different control system in the field of industrial control. reviewing the phytogeny of process control, this paper has presented background, character, performance, framework and direction of fieldbus control system and ethernet completely and discussed inevitability to intervention in the field of industrial control of the ethernet
具體的內容如下：對當今工業控制領域的各種控制系統進行了全面的分析和研究，回顧了過程式控制制的發展史，詳細的介紹了現場總線控制系統的發展背景、特點、性能、體系結構和發展方向。 -
First, it was taken that a discuss about the effects of geometry parameters of each piezocrystal on direction parameters ( main lobe width, side lobe amplitude, elimination of grating lobes ), amplitude of ultrasonic pressure, element viberation pattern, mutual radiation among elements, efficient test regions, ability to keep accurate and near - field distance and so on. based on the direction of ultrasonic field in ulpa deduced by ourselves. in addition, on the base of integrating all kinds of factors, it was put forward that the principle and method for optimized design of geometry parameters of piezocrystals in ulpa transducer, and its design programme and interface were compiled
首先在推導超聲相控線陣換能器聲場的指向性的基礎上，就各個晶片幾何參數對指向性指標（主瓣寬度、旁瓣幅度、消除柵瓣） 、聲壓幅值、陣元振動模式、陣元間互輻射、有效檢測區域、精確控制能力、近場長度等方面的影響進行了論述，並在綜合各方面影響的基礎上，提出了晶片幾何參數優化設計的原則和方法，編寫了設計程序和界面。 -
Jiyang depression is a field where nonhydrocarbon is rich. these resources have close relation with the activities of the volcanos. at the same time, the activities of volcanos have deep contact with the activities of the faults. the growth of the faults in jiyang depression is great. by the research of the index number of the faults growth and the other researches, nw direction faults are the most ones in mesozoic, nw and ne and approximately ew directions all exist in cenozoic. the above reflects the whole geotectonic background that sinistral shearing stress field exists in mesozoic, but dextral shearing stress field exists in cenozoic
這些氣藏與火山活動有密切的成生關系，同時火山活動與斷裂活動也有密切的關系。濟陽坳陷內斷裂活動極為發育，通過斷層生長指數等的分析，推斷中生代斷裂以北西向為主，新生代則兼有北西向北東向和近東西向的斷裂，上述斷裂發育特徵反映了該區的大地構造背景，在中生代是左旋的剪切應力場，在新生代則是右旋的剪切應力場。 -
We propose a novel controllable atomic beam - spiller based on the uccc and discuss the splitting mechanism of the guided atomic beam in the beam splitter from two aspects of the magnetic - field distribution and the trace of the guiding centers. the splitting ratio of the beam splitter can be adjusted by adding a homogeneous bias magnetic field along the y - direction, and the relationship between the splitting ratio and the additional bias field is analyzed
本文提出了一種採用在y方向上加一偏置磁場來實現分束比可控的新穎原子分束器，並從磁場分佈和導引中心軌跡兩個方面，詳細分析和討論了基於u -型載流導體所構建的原子分束器的分束機制。 -
In different in terne die travel, the metal flow characterize in warm extrusion forming processes and the affection for the flow of metal stage which made by the difference between the blank bottom altitude and the axial direction limiting size in warm extrusion forming technique have been analysed we have gotten the equivalent strain field and the velocity field and other field variable that the blank in different in terne die travel and the die travel - load curve. at the same time, we have analyzed the contributing factor for the oil pump stator forming process optimized and achieve thereasonable die parameter for the war m extrusion forming finally, the optimized technics parameters were used into pilot production, then the qualified oil pump stator forging were produced, the analog results were compared with those of pilot production
論文具體分析研究了不同成形工藝過程中金屬流動的特點，並對不同凸模行程下溫擠成形過程中的金屬流動特點、坯料連皮厚度（底部高度）與溫擠壓成形工藝中的軸向界限尺寸的差值對金屬變形階段的影響進行了分析，獲得了坯料在不同凸模行程下的等效應變場、速度場等場變量及凸模行程-載荷曲線，同時對油泵定子成形過程的影響因素等進行了分析，優化並獲得了合理的溫擠成形工藝及模具參數。最後，利用模擬優化獲得的各項工藝參數進行生產實驗，得到實際生產出的合格油泵定子件，並將模擬結果與生產實驗結果進行比較。 -
And a direction field graph of the original image was also drawn
由鍥特徵得到方向場圖來描述整幅圖像。 -
First pre - process the face image and localize the eyes, then normalize the face image based on the location of eyes, and extract the face feather using the independent component analysis algorithm combined with the principal component analysis algorithm to reduce the face image dimension ; attempt a direct gray scale minutiae detection approach based on ridgeline following to extract fingerprint feather, it will overcome the shortcoming of traditional method which would bring in false feathers during the binarization and thinning, and make some improvement such as the fingerprint image enhancement, direction field, stop criteria of ending point
首先對人臉圖像進行預處理、定位人眼位置，進而根據人眼位置進行人臉圖像的幾何歸一化，對歸一化后的人臉圖像本文提出了ica與pca相結合的方法提取人臉圖像的特徵:首先，利用主元分析法（ pca ）對人臉圖像數據進行降維，然後採用獨立分量分析（ ica ）演算法提取人臉整體特徵，從而得到較準確的人臉特徵。 -
To research the texture with these ways are a relative new subject. and it is novel to plot the fracture development with direction field. to express the texture with a clear way for material research has a significant meaning
針對同一類斷口紋理的研究還相對比較新，方向場的運用使得表達更直觀，紋理分析與材料綜合分析是本文的創新之處。
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