track element 中文意思是什麼

track element 解釋
磁軌單元區
  • track : vt 用纖拉船。vi 拉纖行駛。n age 拉纖。n er 拉纖的人。n 1 軌跡，輪跡，航跡，痕跡；〈pl 〉足跡。2 ...
  • element : n 1 要素；成分；（構成）部分；分子。2 【化學】元素；【數學】元，素；【機械工程】單元；單體；【無...
  1. So combine the item of “ space targets surveillance photoelectricity telescopes arrays system ”, this thesis does research in developing space targets visualization system. the main achievement in this thesis can be summarized as follows : 1. expatiate e the basic theory of satellite track dynamic, analyse the orbit characteristic of two - body problem and launch window, subastral point calculation, visibility and coverage analysis, two - line element sets

    本文結合「空間目標監視光電望遠鏡陣系統」課題，進行了空間目標可視化系統的設計和研究，主要作了以下幾方面的工作: 1 、闡述了衛星軌道動力學的基本原理，分析了二體軌道特性和發射窗口的基本特性，星下點軌跡計算、可見性和覆蓋分析和兩行根數。
  2. In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

    本文結合重慶市大渡口區「三木花園」開發建設項目，從地下空間靜力結構穩定性分析角度出發，針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米，高7 . 5米的地下隧道這一具體工程情況，採用2d - 3d -有限元結構分析程序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應力與位移演變規律進行了有限元數值分析計算，探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響，通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖線和4個垂直剖線等不同情況，從以下幾個方面具體分析研究了計算斷面的應力與位移分佈規律： （ 1 ）在各種不同狀態下計算斷面的主應力矢量圖、位移分布圖（ ux 、 uy ）以及應力等值線色譜圖（ _ 1 、 _ 2 、 _ （ xy ） ）等； （ 2 ）相同狀態下不同水平與垂直剖線的應力_ 1 、 _ 2和_ （ xy ）對比分佈曲線； （ 3 ）不同狀態下相同水平或垂直剖線的應力_ 1 、 _ 2和_ （ xy ）的對比分佈曲線等，為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。
  3. In this dissertation, the data process ( dp ) subsystem and radar control program ( rcp ) subsystem of gbr simulation system have been studied and discussed. the main work and innovation of this dissertation is as follows : ( 1 ) track filter, the basic element of track system, has been researched. we analyze the advantage and disadvantage of common target kinematic model such as constant velocity model, constant acceleration model, noval statistic model

    本文是基於某gbr模擬系統的合作項目中，本人負責的數據處理子系統和雷達控製程序子系統的研究和開發的結果，主要進行的工作和創新有: （ 1 ）基於跟蹤系統最基本的要素-跟蹤濾波，分析了當前常用的微分多項式模型， cv與ca （常速與常加速）模型，時間相關模型， noval統計模型，以及機動目標「當前」統計模型等目標運動模型的優缺點和雷達的觀測誤差。
  4. Specification for alternating - current relays for railway signalling : track relays double - element, 2 - position, line relays single - element, 2 - position

    鐵路信號用交流繼電器規范.撥軌繼電器
  5. Stiffness analysis of the single spur track for parallel machine tool by finite element analysis

    並聯機床單支路靜剛度的有限元分析
  6. By applying the basic principles for optimizing design of structure based on the finite element method and aiming at the problems, such as nonlinear contact problem involved in special hydraulic spanner, the main part of tank track hydraulic regulator, etc., the calculation analysis and study based on finite element optimization is conducted and the optimized size and shape of spanner are obtained, and the structural characteristics and stress state are obviously improved

    摘要運用有限元法進行結構優化設計的基本原理，針對坦克履帶液壓調整器特種液壓扳手主要機件所涉及非線性接觸等問題，進行了有限元優化的計算分析與研究，得到了優化的形狀與尺寸，結構特性與受力狀況得到明顯改善。
  7. Based on the above algorithm, a preprocessing software system special for computer simulation of sheet metal forming processes has been developed. for giving cad model of tool surfaces, the algorithm provided in this paper can fully automatically generate quadrilateral finite element meshes from nc track points of tool surfaces, which include the punch, the blank holder, the blank and the die

    對于給定的cad模型，本文通過cam數控編程獲得的nc軌跡，能夠自動生成沖頭、壓邊圈、板料和凹模的全四邊形網格，避免了基於cad模型網格生成演算法通常所需的幾何修復時間，大大提高了cae建模效率，降低了建模勞動強度。
  8. Picture that put forward in the article graph and data structure reciprocal mapping support not merely to map graph from data structure efficiently, besides, regard graphics element as a unit, analyze and discern to user ' s modified graph, produce the corresponding data structure automatically, maintain consistency of graph and data structure efficiently on the foundation of expanding case graphic tools effectively, we direct against the intrinsic characteristic of traditional waterfall model, proposesmall loop model to software analysis based on graph and data structure reciprocal mapping solve problems of slow information feedbackand high track back cost efficiently

    文中提出的圖數互逆映射的思想，不僅對數據結構到圖形映射進行高效率地支持，同時，以圖形元素為單位，對用戶修改後的圖形進行分析和識別，自動生成相應的數據結構，有效地維護了圖數一致性。在對case圖形化工具進行有效擴展的基礎上，我們針對傳統瀑布開發模型的固有特點，提出了基於圖數互逆映射的軟體分析小循環模型，有效解決了傳統軟體分析設計階段信息反饋慢、回溯代價高等問題。
  9. ( 3 ) it discusses that adopt technology of sorting graphics element to realize function that confirm machining track. it analyzes instruction formats of 3b and g nc code and produces ng code us i ng re i evant mathemat i ca i methods by analyzing tool position. it discusses realization approach of simulating process, finally completes cam basic function

    （ 3 ）討論採用圖形元素的排序技術實現了加工軌跡確定的功能；分析3b和g數控代碼的指令格式，通過對刀位數據的分析採用相關的數學方法生成了數控代碼；討論模擬過程的實現步驟，最終完成了cam的基本功能。
  10. Almost assuredly, any xml parser you use, sax or otherwise, is going to use an internal stack structure to track which element it s currently parsing so that it can issue

    如果考慮只有元素的簡化情況，那麼解決方案的第一部分不涉及任何復雜的操作。每當遇到一個新元素時，就在
  11. The vertical displacement and internal force of slab track structures under the loads are calculated by composite beam method and finite element method respectively in this paper, and the results are obtained by matlab programs, which measured up to the basic principle of ballastless track structure

    分別採用疊合梁法和有限元法，對板式軌道在荷載作用下的豎向位移和內力進行了分析，並通過matlab編程實現，計算結果符合無碴軌道結構的基本原理。
  12. Objective to explore the content and scientific evidence of every element of the fast - track programmes in colorectal surgery

    摘要目的了解結直腸外科快速流程各個環節的詳細內容及依據。
  13. Gets a visual style element that represents the track for a vertical track bar

    獲取表示垂直跟蹤條的軌道的視覺樣式元素。
  14. In addition, the structures of four track concrete paver and milling machine are analyzed on static strength and buckling by use of this software. the finite element analysis results can be of great use for verifying the security of loads and the economization of material. the results also present a proposal to design the structure reasonably

    此外，本論文還利用上述軟體對具有國際先進水平的四履帶水泥混凝土攤鋪機和四履帶銑刨機中的構件進行了靜強度分析和屈曲分析，有限元分析結果為校核其承載的安全性及合理用材提供了理論依據，同時提出了結構設計方面的合理建議，本論文的研究方法和分析結果對機械結構強度分析具有很好的參考價值。
  15. The set of commands can track changes and update common element types, such as check box selection status, visibility, and enabled status

    該組命令可以跟蹤更改和更新公共元素類型，例如復選框選擇狀態、可見性和啟用狀態。
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