激波區 的英文怎麼說

中文拼音 [jībōqū]
激波區 英文
shock region
  • 激 : Ⅰ動詞1 （水因受到阻礙或震蕩而向上涌） swash; surge; dash 2 （冷水突然刺激身體使得病） fall ill fr...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 區 : 區名詞（姓氏） a surname
  1. Interior of the country, a great number of famous groups were threatened by the marketing crisis and marketing failure. as " juren group " fell down, " taiyangshen group " went down, " feilong group " hit the ground and many advertising kings broke down, some of the excellent companies, which had ever presented the market trend, are now sinking into the condemn of general debility or even bankruptcy. since our country takes part in the wto, the competition will turn from the domestic, partial, un - integrate one to the one of international and overall

    上個世紀末波及全球的東南亞金融危機，造成東南亞地區的經濟倒退、企業倒閉；在國內， 「巨人」倒下、 「太陽神」下山、 「飛龍」落地、 「標王」破產，一大批知名企業被營銷危機和營銷失敗籠罩，過去曾是領導市場潮流風雲企業，而現在卻陷入虧損甚至破產的困境；隨著我國wto的加入，國內競爭逐步發展為國際的競爭，競爭日漸激烈，市場的競爭將由國內的、局部的、不完整的競爭轉向國際化的、全方位的競爭，市場特點將由國內市場的國際化變為國際市場的國內化，更多的企業將面臨營銷失敗。
  2. Changes in the gain could occur if the length of the maser changed because of turbulent gas motions.

    氣體的湍流運動使微波激射區的長度改變時，增益就可能發生改變。
  3. The region is otherwise undistinguished at optical and radio wavelengths, but it does contain a number of oh and maser sources.

    此區在光學和射電波段是不著名的，但卻包含有許多OH和微波激射源。
  4. In the present dissertation, friction - induced noises emitted by a flat specimen rubbing against another flat specimen or a ball specimen under reciprocating sliding are studied. the detailed observation of the scars is conducted by means of a scanning electrical microscope ( sem ), laser scanning microscope ( lsm ), optical microscope and profilometer. the dynamic state variables are analyzed in detail using the discrete wavelet transform

    使用電子掃描顯微鏡（ sem ） 、激光掃描顯微鏡（ lsm ） 、光學顯微鏡和表面輪廓測量儀等設備對摩擦噪聲發生的區域進行了詳細的觀察和分析，運用小波變換技術對摩擦噪聲狀態下的動力學變量進行了深層次的研究，應用matlab simulink語言對摩擦系統進行了振動動力學模擬，系統地研究了摩擦噪聲的形成機理。
  5. < uk > the region is otherwise undistinguished at optical and radio wavelengths, but it does contain a number of oh and maser sources. < / uk >

    < uk >此區在光學和射電波段是不著名的，但卻包含有許多oh和微波激射源。 < / uk >
  6. In order to utilize the frquency resource adequately and increase the capacity of mobile communication system, the wireless electric wave propagation of existing mobile system always adopts the microcell structure. forecasting the path loss characteristic of electric wave accurately can provide the necessary condition for the layout and design of wireless network, at the same time it is a precondition for the research on the microcell mobile system. the methods of forecasting of wireless electric wave propagation can divide into two parts : one is pluse and respond, that is establish the empirical model based on experimental and statistical data ; the other is ray tracing method, that is establish the deterministic model based on theoretical analyse. the paper discuss the characteristic of wireless signal electric wave transmition in symmetrical atmosphere of earth, and introduce the common path loss transmition model in land mobile communication system, also point out the localization of these models based on experiential methods

    而精確預測無線電波傳播路徑損耗特性，則為合理的微蜂窩無線網路規劃、設計提供了必要條件，同時也是研究微蜂窩移動通信系統性能的前提。無線電波傳播預測的方法分為兩類：一是用沖激響應法，即根據實驗、統計所得數據建立經驗性傳播預測模型；另一種是用射線跟蹤方法，即依據理論分析來建立確定性的傳播預測模型。本文首先討論了在地球表面均勻大氣中的無線電波傳播的基本特性，介紹了陸地移動通信系統中常用的幾種電波傳播路徑損耗經驗性預測模型，並指出了這些經驗性傳播模型對于微蜂窩小區無線電波傳播特性研究的局限性。
  7. Cold light therapy apparatus of tl - a series mainly uses acc - urate high - strength short - wave cold light radiation to kill pathogenic factors and harmful cells, activate helpful cells, and strengthen immune function of cells in local infected area, and thus achieves the goal of treating and preventing diseases

    系列冷光源治療儀主要用高強度的精確短波冷光源輻射殺滅致病因子和有害細胞，激活有益細胞並能增強局部病區細胞免役力，徹底達到治病防病的目的。
  8. Because euler equations have disconnected solutions named shock wave in numerical simulation flow field, and to make sure the disconnected solutions not expanding or vanishing among parallel computation sub - domains, there must be certain connections in the numerical value variable among the sub - domains

    由於在歐拉方程數值模擬求解流場區域內存在間斷解即激波，而計算流體力學并行數值計算是在分區的基礎上進行的，為了使流場區域內的間斷解不因分區并行計算而膨脹或消失，分區之間的數值變量必然存在著一定的聯系。
  9. The background interplanetary magnetic field is spiral with a vanishing south - north component, the initial ionosphere is dominated by the region field - aligned current ( fac ) and the corresponding dawn - dusk electric field, and the interplanetary shock collides with the earth along the sun - earth line

    背景行星際磁場為螺旋場，南北分量為零；初始電離層由區場向電流和相應的晨昏電場所主導；行星際激波沿日地連線方向撞擊地球。
  10. In the fields of fluid dynamics, entropy inequality reflects the second law of thermodynamics. i. e. entropy must increase across shock waves ( a kind of discontinuity ). all kind of approximate schemes should reflect the fact that it must satisfies some kind of discrete entropy inequality ). from the view of practical computation, stability and theo - retical error of any kind discrete schemes all dependend of the smoothness of the solution of ( 0. 2. 1 ). generally, the approximate solution have good stability and theoretial error in the area where the solutions have more regularity and poor stability and theoretial error in other area

    從流體力學來看，它事實上是熱力學第二定理的反映，即熵越過激波（一種間斷）要增加。各種估計格式構造的估計解應反映這一事實，即滿足熵不等式。從實際計算來看，總是通過離散化求解，不考慮計算的積累誤差，它的穩定性與計算精度都依賴與真解的光滑性，一般說，在解較光滑的區域有較好的穩定性與計算精度，而在較粗糙的區域則相反。
  11. It is shown that under the action of the shock, the region current moves towards the midnight, accompanied by a successive occurrence of two fac structures : an anomalous fac pair of opposite direction to the region current and a new region current of the same direction

    模擬結果表明，在激波的作用下，電離層區電流系統向子夜方向運動，在向陽側相繼出現與原區電流反向的異常場向電流對和同向的新生區電流對。
  12. Adaptive grid techniques through a variational approach are applied to two shock problems with exact solutions. more grid points are redistributed in the shock regions in response to numerical solution and thus the shock can be captured successfully. the results show the techniques have excellent qualities in improving accuracy of numerical solution and reducing cpu time

    利用變分原理的自適應網格技術被應用到兩個有解析解的激波問題上，它能根據問題的求解，在解的大梯度區自動加密網格，從而非常成功地算出了激波。通過分析發現自適應網格技術在提高精度減少運行時間方面顯示了優良的性能。
  13. We practically applied the wnnd scheme to solve scalar conservation laws and euler system in one dimension and n - s equations in two and three dimensions. the numerical results of wnnd schemes indicated good shock transitions without any noticeable oscillations and uniformly high accuracy in smooth regions. the wnnd scheme could catch the detail o f the flow field more particularly

    本文應用wnnd格式數值模擬求解了一維標量方程、一維歐拉方程、二維n ? s方程和三維n ? s方程，數值結果表明， wnnd格式在激波附近基本無波動，且在解的光滑區保持空間的統一高階精度，較之nnd格式， wnnd格式能夠更高解析度的捕捉到流場細節。
  14. The diffuse x - ray cloud is due to gas that has accumulated in the central region and been heated to millions of degrees, probably by shock waves from supernova explosions

    彌漫的x射線雲的成因是中心區域所積累並被加熱到數百萬度的氣體，加熱的可能原因是超新星爆發產生的激波。
  15. The calculation of the position of the shocks for the domain decomposition of the hyperbolic approximation is discussed. it is the matching stable problem for the different schemes in the different domains with different mesh size. after tracing the position of the shocks, the artificial compression method are applied to eliminate the smearing effect and to raise the resolution of the schemes. in the boundaries of each regions, the universal connected matching stable schemes are inserted in so as to make the schemes between different regions matching stable each other. at last, some numerical examples are presented

    討論在激波計算中的區域分解法，即在不同區域中應用不同網格及格式的耦合穩定性問題.先定出激波位置，再在激波附近小范圍內，用低階格式及人工壓縮方法以消除彌散效應.在激波區域外，應用高精度格式，減少了過超振蕩現象，提高了解析度.在各區域交界應用全能穩定聯接格式，解決了格式的耦合穩定問題.最後舉出數值計算實例，計算結果與理論分析符合
  16. Such a response depends on the strength of the interplanetary shock : for a stronger shock, the new region current gets stronger, extends for a longer distance towards the equator, and reaches a lower latitude

    這一響應過程和行星際激波強度有關：激波強度越強，新生的區場向電流也越強，它向赤道方向延伸的距離也越大，能到達的緯度也越低。
  17. From the experiments in hyperbolic conservation laws, we can see that if we only use high resolution shock capturing method in scalar equation, there would have a transition near the interface ; but when coupled with level set method, we can get a sharp interface, the interface is tracked exactly

    通過實驗可以看出，對標量雙曲守恆律方程應甩levelset方法后，我們得到了銳利的圖像，界面得到了準確追蹤，而不像高解析度激波捕捉方法，在界面附近有一個過渡區域。
  18. For scalar equation and system of equations, we build different ghost fields, translate one equation ( system ) into two equations ( system ). we still use high resolution shock capturing method to compute the two equations ( system ) ; level set equation is used to track the interface, and the result of original equation ( system ) is determined by the level set function. thus, we eliminate the numerical dissipation which high resolution shock capturing method cannot avoid near the interface, and the resolution is enhanced

    對標量守恆律方程、守恆律方程組分別構造了一種虛擬區域，將一個方程（組）轉化成兩個方程（組） ，對這兩個方程（組） ，我們仍然使用高解析度激波捕捉格式，而levelset方程用來追蹤間斷的位置，原方程（組）的解最後由levelset函數決定：這樣做彌補了高解析度激波捕捉方法在間斷附近發生數值耗散的缺陷，提高間斷處的解析度。
  19. For applications involving shocks, second order schemes such as tvd schemes are usually adequate if only relatively simple structures are present in the smooth part of the solution. however, high order shock capturing schemes ( order of at least three ) are more efficient than low order schemes when a problem contains rich structures as well as schocks

    在計算含有激波但光滑區不存在復雜波系結構的流場時，二階差分格式如tvd類格式已能夠得到比較理想的數值計算結果；然而，對于即含激波，光滑區又富含各種波系結構的流場，高階高精度格式的激波捕捉格式相對低階格式具有更高的解析度，更能夠反映流場的真實流動。
  20. It is based on a point - value multi - resolution analysis that is used to detect regions with singularities ( e. g. shocks ), instead of a cell - average value multi - resolution analysis

    在點值多分辨分析的基礎上，我們利用其來探測具有奇異性的區域范圍（比如包括激波的區域） ，而不是用單元平均值的多分辨分析。
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