空間基準 的英文怎麼說

中文拼音 [kōngjiānzhǔn]
空間基準 英文
space reference
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : Ⅰ名詞1 (標準) standard; guideline; criterion; norm 2 (目標) aim; target Ⅱ動詞1 (依據; 依照)...
  • 空間 : space; enclosure; room; blank; interspace
  1. In this paper, ackerman steering linkage of double - wishbone suspension is taken as the study object, choosing the splitting joint and steering lever joint to carry out the design of optimization the mathematics models are established based on the multi - body system dynamics, applying its analysis method of kinematics to study the mechanism kinetic principles owing to more spatial factors considered, and calling off many hypotheses affecting the accuracy, compared with the traditional methods, the models are better to reflect the realistic motion principles, the results are more exact and applicable moreover, the force analysis is applied to the conduct mechanism the analysis method of dynamics in the multi - body dynamics is applied to study the forces applied on every component, working out the constraint reaction force of up and down ball joints, and developing the current computation program in the end, produce the upper wishbone geometry model in the ansys software package, meshing and carrying out the fea, testifying if the intensity of the wishbone meet with the requirements

    本文以雙橫臂獨立懸架的轉向傳動機構作為研究對象,選擇對斷開點和節臂球銷的位置進行優化設計,在此礎上建立了於多體系統動力學的導向機構和轉向傳動機構的數學模型,運用該學科的運動學分析方法研究機構的運動規律,編制了通用優化設計軟體。由於考慮了更多的因素,取消許多影響確性的假設,因此建立的數學模型與傳統的方法相比更能反映實際運動規律,得到的優化結果也更加精確實用。此外,本文還針對導向機構進行受力分析,在建立該機構的動力學模型后,運用多體動力學中的動力學分析方法研究各個桿件的受力,計算出上下球鉸的約束反力,並開發出了相應的通用計算程序。
  2. A method to calculate quantitatively the adsorption volume or adsorption space of per mass of adsorbent derived from both the adsorbed molecule volume and the maximum adsorbance of a solute in an adsorption isotherm under a given experimential condition is presented firstly for a solid / liquid adsorption system of the solute in a dilute aqueous solution. this method is suitable for not only mono - layer adsorption, but also mani - layer adsorption and micelle adsorpion of surfactant constructed by hydrophile and lipophile groups. therefore, the surface concentration of the adsorbate, cs, deduced from the adsorption volume is possessed of the meaning of true concentration, and the value of the patition coefficient of the adsorbate between solid and liquid phass, p, attained by the cs and the c, solution concentration of the adsorbate, can be accurate. the foregoing a set of calculations are presented for the solid - liquid adsorption systems consisted of the wool fiber and separately dodecyltrimethyl - ammonium bromide ( dtab ) and hexadecyltrimethyl - ammonium bromide ( ctab ) in this paper. this provides a strong basis for adsorption thermodynamic investigation of adsorbate

    對稀溶液中溶質的固/液吸附體系,首次提出了根據吸附分子體積和實驗條件下吸附等溫線中的最大吸附量計算單位質量吸附劑的吸附體積或吸附的方法.此法適用於單層吸附,也適用於多層吸附和具有親水親油結構的表面活性劑分子的膠團吸附.由此,吸附質的表面相濃度cs具有真實濃度的含義,相應地,計算得到的溶質的固/液分配系數p就有了確值.分別計算由溴代十二烷三甲銨( dtab )和溴代十六烷三甲銨( ctab )與羊毛纖維構成的液/固體系分配系數等,為溶質吸附的熱力學研究奠定了
  3. Sequentially, the author discussed the technologies of medical image 3d visualization according to the clinical applications. with the development of computer, 3d visualization and computer graphics, the 3d visualization of medical images has progressed from fourier transform and convolve inverse projection to mpr ( multi - planar reformation, mpr ) and mtp ( maximum intensity projection, mtp ), nowadays, the real 3d reconstruction method, surface and volume rendering has risen. the image registering, image segmentation, pixel data set construction and 3d special interpolation are the key technologies in medical images 3d reconstruction

    隨著計算機技術、三維可視化理論和計算機圖形學的發展,醫學圖像的三維可視化技術也從傅立葉變換、卷積反投影等本圖像處理演算法,發展到真正的三維重建演算法:面繪制和體繪制;醫學圖像的三維可視化技術的應用也從三維醫學成像發展到虛擬內窺鏡,以及今天的虛擬可視化人體研究;而圖像的配、圖像分割、體數據集的構建、三維插值則是醫學圖像三維可視化實現過程中的關鍵技術環節。
  4. The exact abundances of the three lightest elements are an important test of the so - called standard model of physics ? the list of fundamental particles found so far and the forces that link them

    物理標模式理論中有一項極為重要的試驗,該試驗檢測的是宇宙中3中質量最輕元素的確切豐度,即需要列出到目前所發現的本粒子與將它們融合起來的各種作用力。
  5. One fault diagnosis model and corresponding algorithm was constructed based on neural network and evidence theory for taking a step forward diagnosis correct rate, which can cut down the imput dimension of neural network 、 improve classification ability 、 decrease the error classify rate of diagnosis system. then, the feasibility and effectiveness of this method was manifested by specific diagnosis example

    為進一步提高診斷確率,本文於神經網路和證據理論,構建了於決策層信息融合的故障診斷模型及其相應演算法,目的在於降低神經網路的輸入,提高其分類能力,降低診斷系統的誤分類,診斷實例表明了這種方法的可行性和有效性。
  6. This thesis based on the development of heilongjiang ' s green foods, through a large amount of collection and arrangement, to analyze the opportunity of development, some objective problems, course and present condition of heilongjiang ' s green food, point out the countermeasure of development of heilongjiang ' s green food. the thesis is divided into five units : unit 1 analyzes the definitions and characters of green foods, standard and signs of green food. the advantage which green food have and the significance of green food ; unit 2 analyzes the development course and present development situation of heilongjiang ' s green food based on analyzing the starter and development situation of our country, heilongjiang ' s green food past ten years, more work goes before in our country ; unit 3 analyzes the questions required dealing with which exists in development of heilongjiang ' s green foods, it indues that think is too late, the scale is too small, the way of sell is late and false is too much more ; unit 4 draws a conclusion that there is nice chance of developing green food in heilongjiang, based on using a large amount of data ; the last unit provides the ways to turn think, stronger big factories, make the sell way is more than before and draw the lay fastly, and provides appropriate countermeasures to develop heilongjiang ' s green food further i n a healthy way

    本文共分五章,第一章在分析了綠色食品的概念與特點的礎上,對綠色食品的標與標志進行了界定,並明確規定了綠色食品必須具備的條件,提出了發展綠色食品的意義;第二章在分析我國綠色食品的起步與發展概況的礎上,對黑龍江省綠色食品的發展歷程和發展現狀進行了分析,黑龍江省綠色食品產業經過十多年的努力,呈現了全省合力抓綠色食品,健康快速發展的好勢頭,並且許多工作都走在全國的前列;第三章從實證著手,分析了黑龍江省綠色食品發展中存在思想觀念滯后、品牌雜、經營銷售方式落後、假冒現象多等若干亟待解決的問題;第四章運用大量數據,得出黑龍江省發展綠色食品的良好機遇,為黑龍江省綠色食品的發展提供了廣闊的發展;第五章針對黑龍江省綠色食品發展中存在的問題提出了轉變傳統觀念、壯大龍頭企業、抓好市場營銷、加強綠色食品法規的制定等相應的對策,並對黑龍江省綠色食品的進一步的健康發展提出了新的思路。
  7. Experiment results show : ? he theory and method of information content could play an important role in the case study on the accuracy and application of dem. ( 2 ) in the loess plateau area, there are much difference between 5m resolution dems of 1 : 10000 map scale and 25m resolution dems of 1 : 50000 map scale while gathering terrain characteristic information, and yet the spatial structure of dem error have discipline and measurability on statistics. ( ? the results could offer fundamentals and methods to people on their work to research the terrain information content of dems with different scale level

    研究結果顯示: 1 、地形信息容量的理論與方法對于dem精度與應用適宜性的研究具有重要的作用; 2 、在黃土丘陵溝壑區,同1 : 1萬比例尺5米解析度的dem相比, 1 : 5萬比例尺25米解析度dem在提取地形特徵方面具有較大的差異,但誤差的量值與分佈具有統計上的規律性與可估算性; 3 、以上研究結果可望為其它各級比例尺dem地形信息容量的研究提供新的理論礎與技術方法,也可為有關規范、標的制定提供依據。
  8. Thus the gyro package serves as a rigid angular space reference in the same manner as the stars appear in a stellar navigator.

    這樣,陀螺組合件用來作為穩定的正如在星座導航器中的星座一樣。
  9. The gis developed with the combination of mapx controls and object language, realizes the integral saving and management of spatial data and attribute data, and theoretically ensures the datashare and the integrality of data. such a system has been applied to the daily management of chongqing expressway, is proved to be of active contribution to the work efficiency and effect. it will surely promote the development of its in the future

    於oraclespatial ,運用mapx控制項和面向對象語言相結合開發的gis應用系統,實現對gis數據和屬性數據的一體化存儲和查詢,即不將地理信息存儲在原來的地理信息系統中,而是存到關系數據庫中,這種一體化技術實現了數據管理的規范化和數據操縱的標化,使用戶可以比較方便的組織各類信息處理事務,在數據完整性方面提供了有效保證。
  10. In order to exactly grasp and thoroughly analyze national debt, the dissertation is divided into six chapters on the basis of a retrospect and pectination of the development of national debt and its corresponding theories. the main line of the thesis is to extend the room of loan and to realize the sustainability of national debt policy. the dissertation examines the issuing, using, circulating and paying of the national debt following the track of its circulation

    為了確把握和透徹分析國債問題,論文在回顧和梳理我國國債實踐和國債理論發展的礎上,以拓寬舉債、實現國債政策的可持續性為主線,循著國債運行的軌跡,對國債從發行、使用、流通到償還的整個循環進行了考察,並重點探討了國債規模和國債政策的可持續性問題。
  11. This paper analyzes the result of simulation by using luna ' s benchmark table and indicates that the distribution of nodes with different perceptivity is a hiding order of different optimal path produced by system

    並用luna的表對模擬結果進行了分析,指出具有不同感知能力的節點在上的分佈是系統產生不同最優路徑的隱秩序體現。
  12. The thesis takes core family as the object of study, starting with the basic theory of architecture, using the method of architectural programming, combining the other research, according to the results of dwelling conditions on - the - spot investigation, it then discusses the life character, life style, and dwelling requirement existing in core family. specially, it discusses the design according, the standard of scale, the ubiety of space and the tendency of dwelling space design about bed room, living room, kitchen and repast space. it also discusses the usable area and the space organize pattern of the dwelling size, emphasizes the economy, applicability and uncertainty of dwelling space

    本文以核心家庭(夫婦+ 1個孩子)為研究對象,從建築學的本理論出發,運用建築計劃學的研究方法,在研究、分析了大量國內外相關文獻資料並進行一定實際調研的礎上,結合其他相關理論和已有的研究成果,分析闡述了當前核心家庭的生活特點、生活方式和居住需求,重點探討了臥室、起居、廚房、就餐的設計依據、量化標位置關系以及設計的發展趨勢,並對住宅套型的面積指標、組織模式進行了分析探討,強調了居住的經濟性、適用性和模糊性,通過優秀的實例、設計、改造對結論進一步驗證。
  13. It comes in for the advantage of existing residential district, and improves the limitation of uniform function and large scale. based on the cognitive of human scale, urban street block organizes the living space according to street activities, which aimming for the multifarious planning structures and design styles, satisfying the various social classes and demands, thus can create a living spaces in residential district which care for the people ' s physical and spiral demands, and reach the genial and friendly neighborhood and street block atmosphere

    作為一種日久彌新的住區模式,城市街坊式住區模式吸收了我國以往居住區設計的優點,同時改進了功能單一、尺度過大的弊端,以人的認知尺度為,以街道生活為主導來組織居住,其目的是為了選擇多種的規模結構與手法,對應多元化的社會階層,滿足多樣化的需求,從而塑造真正關懷人的生活與心靈的居住,實現社區、鄰里及街坊生活的回歸。
  14. For the bldcm which has a pseudo - sinusoidal back - emf waveform, this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple. the main aspects for the implementation of this method are analyzed, including the initial orientation of the voltage vector, reasonable choice of the impedance angle and the advance commutation angle, and estimation of the successive rotor positions

    針對反電動勢類似正弦的正弦波反電動勢無刷直流電動機,本文提出一種於六個離散位置信號的自同步svpwm (電壓矢量法)控制方法,用以削弱電磁轉矩脈動,分析了實現這種方法的主要控制環節,包括起動時電壓矢量的初始定位,阻抗角與電流超前角的合理選擇以及連續轉子位置的估計等。
  15. From the result we get the following conclusion : for narrow - band signal, the effect of the method based on fft is best. for wide - band signal, when snr is up to certain degree ( higher than - 7db or so ), the curves of square error of modified methods are more obvious and closer to crb. for an echo composed of more than one frequency or direction, space - frequency distribution could show more direct information of frequency and direction, which is more advantaged to make precise judge and estimation for doa of echo

    從估計結果發現,對于窄帶回波信號,於fft的方法估計性能大大優于其他方法;對于寬帶回波信號,在信噪比達到一定程度(高於約- 7db )時,補償后的幾種估計法的性能改善均比較明顯,誤差曲線越來越接近crb曲線;對于回波中存在多頻率多方位的情況,?頻率分布圖能提供較為直觀的頻率及方位信息,因此應用?頻率估計法來進行方位估計,更有利於進一步對回波的具體方位進行確判斷和估計。
  16. The research mainly include three parts below : first, generalized three problems exist in the current delivery logistics management of commercial enterprises. they are : 1 ) loading the cargo at will leads the serious trucks " space waste 2 ) lack effective and precise delivery plan and its routings - 聯邦 choosing method. 3 ) difficulties in delivery trucks " management

    在結合本專業知識和作者多年物流企業工作經驗的礎上,概括出目前我國商業企業發展中存在的問題是: 1 )貨物裝載隨意,浪費嚴重; 2 )缺乏確有效的配送計劃和運輸路線; 3 )配送車輛管理監控困難。
  17. The precision of its calculating results has an direct effect on the design, construction and safe usage. in the typical calculation of the settlement of foundation, additional stress incurring by loading is calculated according to elastic theory which has the same characteristics in semi - indefinated space, the condesion of soil is decided by the condesion experiment of one - demension and the settlement is calculated by adding results of respective layer

    沉降計算一直是困擾巖土工程技術人員的一個難題,其確與否將直接影響建築物的設計、施工和安全使用。在經典的地沉降計算方法中,荷載作用下地中附加應力場是根據半無限各向同性彈性體理論計算的,土體壓縮性是根據一維壓縮試驗確定的,並採用分層總和法來計算地的沉降量。
  18. In this paper, we compared 15 3d colorspaces and 15 2d chrominance planes widely used in skin - tone detection in terms of compactness of skin class, discriminability between skin and non - skin classes as well as the classification performance of several detectors based on a data set of 1894 images

    摘要在綜述現存膚色檢測演算法所使用不同顏色礎上,於一個含有1894張圖像的樣本庫,採用膚色內聚性和膚色非膚色類可分離性指標以及相應的分類器性能評估則,考查了包含所有常用顏色的15個3維顏色和15個2維色度平面,建立了一個完善的膚色評價體系。
  19. This paper analyses crystal oscillator ’ s character and technique targets, and the changes of these technique targets effect the time of crystal oscillator gives the error mode of crystal oscillator time, by discussing gps system and time service theory, we analyze random character of gps second pulse error. we combine long - time stability of receiver ’ s output signal and short - term stability

    該系統成功地應用於寬頻帶地震記錄儀中,使地震數據記錄的時精度達到微秒級,可以解決大范圍的地震儀布設應用時的授時和定位(經度、緯度、海拔)問題,為地震數據記錄、分析工作提供了與國際標同步的時
  20. The computation on the dynamic change of gravity field with above data is done, the determinations of the spacial and time gravity base, and of the calculation of the influences about the instrument scale changes deduction of station movements etc. are systematically discussed in this paper

    利用這些資料進行了重力場動態變化計算,系統地討論了和時的確定、格值影響的計算和點位移動的歸算等問題。
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