散布速度 的英文怎麼說
中文拼音 [sǎnbùsùdù]
散布速度
英文
spreading rate- 散 : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 散布 : interspersal; intersperse; scatter; spread; disseminate; diffuse
- 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
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The origins of dispersion error are analyzed ; effects of initial velocity dispersion, ballistic coefficient dispersion, drift coefficient dispersion, range wind & cross wind dispersion on the ballistic dispersion are discussed
分析了散布誤差的起源,討論了初速散布、射角散布、彈道系數散布、偏流散布、縱橫風散布對密集度的影響。Abstract : a tube reactor mixed by an axial continuous flow and four side jets as the dispersed flow is studied. the concentration distribution of the dispers ed flow was measured by means of the laser light scattering. the different flow patterns revealed the special construction of concentration distributions in relation with the velocity ratio of side flow and axial flow
文摘:研究了圓管反應器中四束側向對撞射流與軸向流形成的混合流動.應用激光粒子散射成像測量了側向分散相在混合流中的濃度場分佈,得到了不同的濃度分布圖形隨側向流與軸向流速比關系,揭示了內在有規律的獨特的濃度分佈結構The influence of double - push accelerated velocity, spin - rate regularity and unfolding fins on air rocket dispersion and the mechanism of decreasing of air rocket dispersion are also studied respectively
分別研究了雙推力加速度,轉速規律和尾翼延時張開,對地面火箭彈和航空火箭彈散布的影響,以及減小航空火箭彈散布的機理。Using method of sumt and powell, the thesis carries out optimization design for air rocket with double - push accelerated velocity and spin - rate regularity, which dramatically decreases air rocket dispersion. in the end, some valuable conclusions are achieved for application
綜合利用雙推力加速度,轉速規律,同時採用內點罰函數法和powell共軛方向法,對航空火箭彈的主要參數進行優化設計,實現了大幅度減小航空火箭彈散布的目的,得到了一些有應用價值的結論。Subsequently, the fine particles are widely dispersed in the atmosphere and descend to earth very slowly.
隨后,細小的顆粒在大氣中廣泛散布並以極慢的速度下降到地面。The surface panel method has been applied to predict the hydrodynamic performance of highly skewed propeller. the surface of propeller and its trailing vortex are discreted by a number of small hyperboloidal quadrilateral panels with constant source and doublet distribution. for highly skewed propeller, the conventional method generating grid oriented along constant radii will result in a high aspect ratio and a high skewness and a twist panel near the propeller tip on blade surface, which result easily in incorrect calculation results of velovity on blade surface, even in iteration divergence and calculation failure. a “ non - conventional grid ” is developed to acoid these problems. this grid can effectively solve the problem of the calculation and convergence for highly skewed propeller. the non - linear kutta condition of equal pressure on upper and lower at the trailing edge is executed by the iterative procedure. by sample calculating, the obtained results are satisfied the experimental data
採用面元法預報大側斜螺旋槳水動力性能,螺旋槳表面及尾渦面離散為四邊形雙曲面元,每個面元上布置等強度源匯和偶極子分佈.對于大側斜螺旋槳而言,槳葉表面採用常規的等半徑網格劃分方法在近葉梢處將導致大展弦比、大側斜和扭曲面元,這容易使槳葉表面速度的計算結果不正確,甚至會導致迭代過程發散及計算失敗.文中建立了一種「非常規網格」劃分方法,能有效地解決大側斜螺旋槳的計算和收斂問題.槳葉隨邊處通過迭代實現非線性等壓庫塔條件Abstract : an efficient parallel global router using random optimization that is independent of net ordering is roposed. parallel approaches are described and strategies guaranteeing the routing quality are discussed. the wire length model is implemented on multiprocessor, which enables the algorithm to approach feasibility of large - scale problems. timing - driven model on multiprocessor and wire length model on distributed processors are also presented. the parallel algorithm greatly reduces the run - time of routing. the experimental results show good speedups with no degradation of the routing quality
文摘:設計實現了一個高效的線長模式下基於多處理機的并行總體布線器.通過對非時延驅動模式下串、并行演算法的總運行時間和求解時間的比較,表明該并行演算法能夠在保證求解質量無明顯變化的前提下大大加快總體布線演算法的求解速度.同時,也提出了基於分散式體系結構的并行總體布線演算法In this paper, i will present some algorithms of polyhedral visual hull reconstruction : ( 1 ) polyhedral v isual h ull generation a igorithm b ased one dge - pool - searching, which constrains the 3 - d intersections into the 2 - d planes intersection via the epipolar theory to reduce the complexity a nd c an r educe t he t imes f or c ones t o b e p rejected o nto t he i mage p lanes, i n which we induced the index list to every points on the surface of object, and connected the related points to get sub polygons on surface and in turn get the mesh model, we replace triangulation process of disordered points cloud by edge - pool searching. ; ( 2 ) reconstruction based on degenerated - polygon - intersection, which have the following improvements on traditional bull intersection : using degenerated polygon to orga nize intersected area on cone face, which may be discontinuous ; a fast intersection algorithm of polygons on the cone face based on degenerated polygons, which is consistent between the continuous polygons and the discontinuous ones. the intersection of degenerated polygons is similar to the convergence of two ordered lists, which is comparably simple to the bull operation ; ( 3 ) reconstruction algorithm based on ray - tracing, in which all the rays that run through the vertex on silhouette of object will intersect with all the cones correspondent to other silhouette, and we have to calculate the intersection of all such line segments, the endpoints of which are considered to lie on the surface of object and we will get the point cloud on the surface of object
同時利用共極線原理把三維計算投影到二維平面以降低求交計算的復雜度,該演算法可以減少光錐向圖像平面投影計算的次數,以邊池搜索取代散亂點集上進行的三角剖分; ( 2 )基於退化多邊形求交的多面體可見殼模型重構,系統引入退化多邊形的概念,把錐體平面的交集中不連通的部分用一個退化多邊形來表示,並引入了新的基於退化多邊形的求交演算法,與傳統多面體可見殼重構相比,該演算法有以下幾點創新:在圖像平面以退化多邊形組織投影錐體和物體輪廓的交集,把任意錐面與物體輪廓的交集歸一到一個退化多邊形;基於退化多邊形的二維平面上多邊形快速相交演算法,該演算法在一定程度上就是兩個有序鏈表的合併,大大簡化了先前的布爾求交計算; ( 3 )基於光線跟蹤的演算法,該演算法中所有通過輪廓頂點的光線和對應其它圖像輪廓的光錐進行求交計算,最後得到每次求交計算得到線段的交集,該線段的頂點就認為是物體表面點,從而得到物體表面的點雲。We do this by helping transitional states to play a greater role, by giving a boost to the weak states most willing to help themselves, and by making it clear to the outlaw states that they cannot prosper at the expense of the rest ; they must either reform or suffer in isolation
我們強勢的領導可協助整頓全球事務,以增進我們的利益,推廣我們的價值觀。在此不論真假資訊瞬間即可散布全球的時代,當資金、思想及個人可以以令人震驚的速度跨越國界時,我們參與世事必須持續而廣泛。" the carbon dioxide from fossil fuels is distributed pretty evenly around the globe and not concentrated in the arctic, so it does n ' t look like we can blame greenhouse gases for the overwhelming bulk of the northern hemisphere warming over the past 27 years, " christy said
然而,熱帶地區溫度在過去27年中僅僅升高了華氏0 . 3度。 「燃燒釋放的二氧化碳非常均勻地散布在全球,並非只集中在北極。所以過去27年間出現的北半球加速變暖的情況,好像並不能僅僅責怪溫室氣體。But the conditions of the agricultural expanding and its existing problems, the structure and distribution of the agricultural information resources, the agricultural management ' s systems, the economic conditions of the rural society and the cultural and educational standard, the public facilities of agriculture and countrysides, etc, all the above factors are affecting the agricultural information spreading and its communication directly or indirectly, interfering the spreading passages, slowing down the spreading speeds, reducing its efficiency, etc. therefore, we must improve the interior and exterior environment that affecting agricultural expanding, agric ultural information spreading and its service, take such measures as developing the science and education of agriculture and countryside, improving agricultural expanding system and organism, enforcing the basic facilities " construction of agriculture and countryside, enforcing the information resources " construction, etc, so that we can speed up the information spreading, promote the agricultural creative diffusing, improve the scientific standards of agricultural production, promote the development of agricultural economy, increase the farmer ' s income, and make the rural society develop rapidly
但是,農業發展與農業推廣工作的狀況與其存在的問題以及農業信息資源結構與布局、農業管理體制與機制、農村經濟社會條件與文化教育水平、農業和農村公共設施、農業推廣的行政或組織環境等方面的環境因素,直接或間接地制約了農業推廣信息傳播與交流及其服務工作的順利開展,障礙了信息傳播通道,阻滯了信息傳播速度,降低了信息傳播效益,不利於農業信息產業化和農業信息水平的發展與提高。因此,必須著手改善影響農業推廣工作、農業信息傳播與服務工作的內外環境,採取諸如大力發展農業與農村科教事業、創新農業推廣體制和機制、加強農業和農村基礎設施建設、加強信息資源建設、發展農業信息產業化等相應對策措施,才能加快農業信息傳播,促進農業創新擴散和成果轉化,提高農業生產的科技水平,推動農業經濟發展和農民收入提高以及農村社會的全面進步。Melp which can work at the rate of 2. 4kb / s has been chosen as u. s. federal standard, melp algorithm is on the basis of line prediction ( lp ). five auxiliary characters has been introduced into melp algorithm, they are mixed excitation, aperiodic pulse, fourier magnitudes pulse dispersion and adaptive spectral filtering
作為一種重要的低速率語音編碼演算法,美國聯邦標準melp演算法對lpc - 10編碼方案做了大量改進,引入了混合激勵,非周期脈沖,殘差付氏幅度譜,脈沖散布和自適應譜濾波五個附加特徵,在2 . 4kbit / s的速率下取得了比較自然的語音質量。But many obvious problems emerged in the developing process of our automotive industry such as low speed, disperse layout, the chaos of production, low quality and lagging technique, so it is impossible of our automotive enterprises to take part in the cruel international competition
但是,在我國汽車工業的發展過程中,一直存在著速度緩慢、布局分散、生產混亂、質量低下、技術落後等突出問題,根本無法參與激烈的國際競爭。The dissertation also extends it to boolean operations for non - manifold tt models. to meet the demand of some time - critical situation, the dissertation presented a distributed algorithm for boolean operations of curved solids
為了在某些限時操作下得到實時交互的速度,在運動雕塑實體布爾操作的基礎上,本文進一步提出了一個運動雕塑實體模型布爾操作的分散式并行演算法。分享友人