等距對應 的英文怎麼說

中文拼音 [děngduìyīng]
等距對應 英文
isometric correspondence
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : Ⅰ名詞1 (距離) distance 2 (雄雞、雉等的腿的後面突出像腳趾的部分) spur (of a cock etc )Ⅱ動詞...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • 等距 : equidistance; isometry
  1. First, it is compressible and cushiony ; second, it can be transported to a long distance with a little power loss ; the last, its flux and velocity of flow are quite high, so the reaction time of the operators can been considerably shortened. aiming to solve the problems of vibrating machinery such as short life - span, poor cushion and high energy consumption, the writer, on the basis of characteristic of pneumatic mentioned, contrives a set of valve controlled pneumatic vibrator, which has larger output vibrating force and longer life - span with simple structure. then, it is applied to drive a vibrating screen and the result is fairly well

    文中針氣動技術本身的特性及優點,如:可壓縮,具有緩沖性;能耗損失小,便於遠離輸送;流量大、流速高,執行元件響速度快,以解決振動機械在用過程中的緩沖、能耗以及使用壽命問題為目的,設計出一套輸出激振力大、結構簡單、使用可靠的閥控氣動激振器,並將其成功地運用到振動篩上,取得了較好的效果。
  2. Following this, a new phenomenological eos along isotherms that may be used at high pressures for nacl - type and cscl - type alkali halides, metals, periclase ( mgo ), rare - gas xenon solid, and so on, is presented, by making use of the definition of short - distance repulsive force constant ( a ) and the phenomenological function a ( r )

    在此基礎上,從短程排斥力常數a的定義,及其與原子間r唯象函數出發,提出一個可用於相高壓下的新的溫固體物態方程,並它的有效性和用性進行了研究與討論;本文還在實驗數據的基礎上,運用了壓過程中anderson - gr (
  3. The asteroids are the most important small bodies in the solarsystem, and they mainly lies in the two locations - a main belt between the mars ' s orbit and the jupiter ' s and the near - earth space. the most feature of the orbits of near - earth asteroids ( neas ) is that the semi - major axes of the orbits are nearly equal to that of the earth or the perihelia distances are approximate to or even less than the mean distance between the sun and the earth, thus they could move into inside of the earth ' s orbit, so that they might close approach or even colliside with the earth ( or other planets, such as the venus, the mars, etc. ). the characteristic brings about some difficulties in the numerical research during their orbital evolution, which leads to the failure of the normalization technique in the general removal impact singularities of celestial mechanics methods and the symplectic algorithm which is successfully applied to the investigation in quality. by comparing the computation effects of several common numerical methods ( including symplectic algorithm ), and considering the nature of the movement of the small bodies, the corresponding treatments are provided here to improve the reliability of the computation

    小行星是太陽系最重要的一類小天體,主要分佈在兩個區域;火星和木星軌道之間的一條主帶和近地空間.近地小行星軌道的最大特點是其軌道半長徑與地球軌道半長徑相近,或近日離接近甚至小於日地平均離,其運動可深入到地球軌道的內部,這將導致該類小行星與地球(還有金星、火星)十分靠近甚至發生碰撞.這一特徵給其軌道演化數值研究帶來一些困難,包括天體力學方法中一般消除碰撞奇點的正規化處理以及定性研究十分成功的辛演算法都將在不同程度上失效.通過幾種常用數值方法(包括辛演算法)計算效果的比較,根據小天體運動自身的特性,給出了相處理措施,從而可提高計算結果的可靠性
  4. The study indicate that the surface form has no effect on kl, but has obvious effect on kll, and will affect the breaking angle and mode ; in finite plate, the boundary condition has effect on the sif and the k is bigger than in infinite plate ; the effect of the distance and the angle between cracks are all have obvious effects on the multiple crack interaction, and the interactions between cracks also have obvious effects on the sif, which can be neglect only when the distance is bigger enough

    研究表明:裂面狀態k _的大小沒有影響,而k _的影響卻很大,相同力條件下,裂面狀態會影響裂紋的開裂角和開裂方式;有限板的邊界力強度因子有一定的影響,其k比無限板中的k略大;裂紋間的離、夾角因素裂紋間的干涉效均有較大影響,裂紋間的干涉效力強度因子的影響非常顯著,只有當裂紋間的離充分大時,干涉效才可忽略。
  5. To solve the inaccuracy problem caused by the two existing methods ( average end - area method and prismoidal method ) used for the calculation of roadway earthwork volume, this paper puts forward a new concept of the 3 - dimensional algorithm that takes all the roadway geometric design procedures as a kind of geometrical operation between the ground model ( original terrain model ) and the roadway model ( designed model ) under certain constraints, and then presents a complete 3 - dimensional algorithm of roadway earthwork volume as well as its executable computer program. the algorithm benefits from the re - triangulation technique of constrained delaunay triangulation ( cdt ), which can yield a true volume value theoretically. through a number of practical tests covering varied intervals between adjacent cross sections, it is proven to possess a higher accuracy compared with that of traditional methods. all the work involved in this paper indicates that the 3 - dimensional calculation of roadway earthwork volume is feasible, more accurate and should have further application in practice

    目前廣泛使用的道路土方量計算方法平均斷面法和稜柱體法計算不準確的缺點,提出了三維土方量計算演算法的概念.該演算法以帶約束的狄羅尼三角化( cdt )為技術核心,認為所有道路幾何設計過程都是地面模型和道路(設計)模型進行幾何運算的結果.基於此,本文設計出相的演算法步驟,同時完成了相的軟體開發,使得該三維演算法能和傳統的方法進行比.此外,結合工程實例,採用了不同的道路橫斷面間三維計算方法和傳統方法的誤差進行比較、分析.結果證明三維演算法具有更好的精度,該演算法可用於道路、場地平整工程土方量計算
  6. And by far, most theories of wavelet analysis are established in, but this method is rare to be known and exists defects in the reproducing kernel space with good properties. then in the reproducing kernel space, isometric isomorphism of relation is founded between and by differential operator. and starting from the haar basis, multi - resolution analysis inis gived by folding method ; then multi - resolution analysis and orthonormal wavelet in are obtained through integral transform from to. then the reproducing kernel space can be expressed by wavelet spaces

    於是,在再生核空間中,利用積分運算元建立了空間與hilbert空間的同構關系;並且從haar小波出發,由折疊法實現的空間中多尺度分析通過積分變換得到中多尺度分析和正交小波,使得再生核空間可以由小波空間來刻劃;從而空間中的函數,給出了小波逼近具體表達式和相的采樣公式,形式簡單易於數值分析。
  7. The quantification indexes that token weathered degree are primary velocity, borehole rqd ( rock quality designation ), joint space, joint number and so on, and the unloading ones are primary velocity, joint opening, borehole penetrability and so on. the compartmentalization of different weathered and load - off zones according to quantification indexes tallies with the slope geo - stress computed by finite element method

    其中研究風化分帶的定量指標有縱波速vp 、鉆孔rqd 、結構面間與條數,研究卸荷分帶的定量指標有縱波速度、節理開度與鉆孔巖體透水性,據此劃分的不同程度風化、卸荷巖體與有限元計算的壩區河谷力場具有良好性。
  8. ( s ) weathering and unloading action which are the two main exogenous process is active in epigenetic - surface. so, although one is different with the other, they are associated with each other closely and are cntrolled by geostress and seepage fields. in fact, weak weathered zone corresponds to weak load - off one, strong weathered zone corresponds to strong load - off one in virtue of result of this dissertation. ( 6 ) rock mass is a geologic body which is composed of rock and structural plane. and under the condition of geostress. temperature and seepage fields, correspondingly. studying weathering should pay attation to the aspects of rock, structural plane and fields. according to this. the author subdivises rockmass weathering into rock weathering and structural weathering, ulteriorly, the dissertation studies rockmass weathering from three aspects as follows : ? ock weathering : aberrance degree of mineral and physical mechanical performance of weathered rock ; ? e have already knew that weathering action damage the integrity of rock mass, but few applies it to engineering practice. the dissertation is based on trend o

    本文研究結果為弱卸荷與弱風化大致、強卸荷與強風化大致; ( 6 )巖體是由組成它的巖石與缺陷賦存於一定環境場中的地質體,據此本文將巖體風化細劃為巖石風化與結構面風化,並進而將表徵巖體風化的指標相地歸結為三個方面來加以研究並用於工程實踐,這就是:于巖石風化,主要為礦物的變異程度與風化巖石的物理力學性能研究:雖已認識到風化作用破壞了巖體完整性,但將該理論用於巖體風化分帶卻不多見,本文即從淺表部位硬性結構面間、條數、跡長、塊度隨遠離臨空面的變化規律來研究巖體風化分帶:不同風化、卸荷程度的巖體實際處于不同環境場中,彈性波速變化與特定環境場相,因而是反映巖體風化、卸荷的綜合因素。
  9. Numerical examples, two cavities case, are provided to show the effect of wave number, distance between the centers of the cavities and the ground surface and distance between the centers of the cavities upon the dynamic stress concentration around the cavities edge and ground motion impacted by incident steady sh - wave

    通過具體算例,討論了與界面離的相鄰二個圓孔sh波的散射,給出了數值結果,並討論了波數與圓孔至邊界離和二圓孔中心離變化力集中和地面運動的影響。
  10. The author ' s work gives new way, which is beneficial to real time interaction and can efficiently reduce computing time as well as data storage amount. these algorithms can find good use in numerical machining, robotics, form - position tolerance and computer graphics. ( 3 ) degree reduction for nurbs curves and surfaces by applying the theory of the best uniform approximation of chebyshev polynomials and the explicit matrix representation of nurbs curves, this thesis centers on the research of the explicit nearly best approximation of multi - degree reduction of nurbs curves

    以上關于曲線的幾何逼近與代數逼近的演算法改革了當前國際圖形界只能基曲線沿法矢方向平移定離的點作近似逼近的固定模式,創造了利於交互操作,能有效地減少計算量及數據存儲量的新方法,可在數控加工、浙江大學碩士學位論文機器人、形位公差學、計算機圖形學中獲得很好的用( 3 ) nurbs曲線曲面降階用nurbs曲線的顯式矩陣表示及chebyshev多項式逼近理論,以實現nurbs曲線顯式一次性降多階的近似最佳逼近為目標進行了研究
  11. There is no thoroughly rounded theory about displacement ventilation system in our country at present and our research begins recently. the study work of this paper will be useful for further optimization design of displacement ventilation system. this dissertation includes five parts. the first part introduces the development of the displacement ventilation and the background of research in domestic and oversea. in the second part, it gives working principle of displacement ventilation system and it ’ s advantages to the mixture ventilation. the study also gives a series of indexes to evaluate displacement ventilation system and specifies air supply terminal device and so on. it is needed to simulate and analyse the velocity field, temperature field and distribution of flow field. this is the third part. the forth part specifies the simulative method for thermal stratification of displacement ventilation system. it gives some factors affecting thermal stratification height such as inlet temperature, inlet velocity, heat transfer of wall body, distance of heat source and so on

    本文的研究工作主要包括以下幾個方面的內容: ( 1 )綜述了國內外相關的研究現狀和研究背景; ( 2 )簡介了置換通風的工作原理,並分析了它相于混合通風的優良特性及評價指標、末端裝置; ( 3 )採用置換通風方式房間的溫度場、速度場和氣流分佈進行了模擬計算與分析; ( 4 )採用置換通風方式房間的熱力分層高度進行了模擬計算,並分析其影響因素,如:送風溫度、送風速度、圍護結構傳熱和熱源分佈; ( 5 )擬合了無量綱熱力分層高度相于送風溫度t 、送風速度v 、熱源間離l和圍護結構傳熱q的經驗公式。
  12. Experimentally, the plasma produced by cable plasma gun ( c - gun ) and dense plasma focus ( dpf ) was measured by the laser differential interferometer system. the clear interference patterns were acquired at different time. the contour maps of line integral density and curves of radial local density at different height above nozzle were presented

    實驗上,離子體斷路開關中的電纜離子體槍( c - gun )和離子體焦點裝置( dpf )產生的離子體進行了測量,獲得了不同時刻的清晰的干涉圖像,給出了線積分密度值線圖和噴口不同高度處的徑向密度分佈。
  13. In order to scientifically manage exploration data, three - dimensional database composed of rock mass quality indices is established under the geodetic reference frame. those indices are obtained from adits, drill holes and outcrops. to efficiently make use of exploration data, finite testing results are spread to the extent which they can control in term of the characters of gradual change of rock mass quality

    利用實測資料,研究了單指標(節理間、完整性系數、 5m洞段節理條數)劃分巖體質量級的性,驗證了單指標(完整性系數k _ v 、節理間d )和雙指標( k _ v d 1000 )劃分巖體質量級的一致性。
  14. Interactions between different cracks and the stress intensity factors for different crack surface forms are calculated, and the effect of the distance and the angle on the stress intensity factor is analyzed

    算例計算了多種情況下裂紋之間的相互作用,分別給出了不同裂面狀態下的力強度因子,分析了各種情況下裂紋間的離、夾角因素力強度因子的影響。
  15. This paper presents a new processing method - locus compensating method after analyzing the present processing situations of aspheric parts. using the formula of equidistant line, we create the mathematical model of working principle of the locus compensating method, demonstrate the correctness, feasibility and practicability of the method and made corresponding processing program with matlab and vb. at last, we devise the corresponding general structure of machining tools on the basis of above

    國內外非球面加工現狀,本文提出一種新的加工方法-軌跡補償法,利用線公式,建立了軌跡補償法加工原理的數學模型,分析論證了軌跡補償法的正確性、可行性、實用性,並用matlab和vb編制出相的加工程序,在此基礎上,設計出相加工機床的總體結構。
  16. The curvature radius was derivated and the contact stress of the three - arc - sect isometric type surface was calculated through the elastic dynamics theory

    用彈性力學理論,推導出接觸點的曲率半徑,三弧段型面聯接進行接觸力計算。
  17. The distribution and structure of the allelic polymorphism data are analyzed and it is pointed out that the distribution of allelic polymorphism data reveals the characteristic of closed data ( also named as compositional data or data of constant sum ) it is interpreted that the correlation structure of the allelic polymorphism data contains null correlations introduced by " closure " and the statistical distribution of the data is not normal because of its constant row sum, which resulted in great difficulties in analyzing the data with traditional multiple linear statistical methods such as principal component analysis, factor analysis, cluster analysis and canonical correlation analysis

    摘要長期以來,于多維基因多態性數據的多元統計分析,如計算遺傳離時所用的聚類分析、分析群體遺傳結構時所用的主成分分析、因子分析和典型相關分析,一直用為無約束條件數據而設計的經典多元線性分析方法,並沒有注意基因多態性數據的「閉合效」所帶來的問題。
  18. For the analog low - gain displacement - type records, two horizontal - component records of a m7. 1 aftershock of tangshan earthquake, july 28, 1976, in tai ' an seismic station are used as the example to show the procedures of digitizing, arc - shape correction, baseline correction, equal - interval interpolation and instrument response correction. the reliability of the analog low - gain displacement - type records for long period study is also discussed. in order the database to have a better magnitude - distance distribution, a method to estimate the long period response spectrum values from earthquake magnitude definition is developed

    于模擬式低放大倍數位移記錄,以泰安地震臺的513型中強地震儀所記錄的1976年7月28日唐山地震的7 . 1級餘震兩個水平分向的記錄圖為例,詳細說明了記錄圖數字化、弧型校正、基線校正、插值、儀器響校正步驟,計算了周期t 10s的反譜,分析了它們的可靠性。
  19. Based on theory of spline surface offset, the first one directly finds the control polygon mesh of the offset surface from the original control mesh

    第一種演算法依據樣條曲面原理,把細分曲面的轉化為其前後控制網格的關系。
  20. Considering the number of the feature points extracted in different images is not equal and their locations are also not corresponding, the scheme presents the closest interval criterion and the svd algorithm to accurately register the retinal images. in order to meet the practical requirements of image registration precision and speed, the paper describes the maximal correlation objective function and uses the simplex - simulated annealing algorithm to optimize the parameter

    在基於特徵性圖像配準演算法中,利用多方向探測方法準確提取了視網膜圖像中的血管交叉點和分枝點,于提取得到的配準及參考圖像特徵點之間非性且數目不這一配準演算法中不可避免的問題,本文提出了離最近標準和svd分解方法,有效的解決了這一問題。
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