邊界地方 的英文怎麼說
中文拼音 [biānjièdefāng]
邊界地方
英文
borderland- 邊 : 邊Ⅰ名詞1 (幾何圖形上夾成角的直線或圍成多邊形的線段) side; section 2 (邊緣) edge; margin; oute...
- 界 : 名詞1 (相交的地方; 劃分的界限) boundary 2 (一定的范圍) scope; extent 3 (按職業、工作或性別等...
- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 邊界 : boundary; frontier; border; borderline; edge range line; periphery
-
Due to nonlinear bottom boundary condition, the generation of internal tides over finite topography can only be deal with by using of ray - tracing method beforetime. the transforms introduced in this dissertation make it possible use eigenvalue method to investigate the generation of internal tides over finite topographies
由於非線性邊界條件的使用,前人處理有限地形上內潮的產生問題只能求助於射線理論,本文提出的坐標變換將若干海底地形變換成平底,從而使得利用特徵值方法研究這些地形上的內潮生成問題成為可能。In this paper, we give a brief introduction to the helfrich elastic theory. to solve the helfrich equation under the physical conditions of vesicles, a taylor series method is introduced, which offers a unified method to reproduce the exact solution including the famous axisymmetrical constant - curvature surfaces and the biconcave shape solution
本文在簡要介紹了helfrich的彈性理論及膜方程的基礎上,開創性地引入taylor級數法,在軸對稱膜的邊界條件下,對helfrich膜方程以taylor級數法求解,統一地得到了目前已知的兩個特解:常平均曲率曲面和紅血球形狀解。And the explicit finite difference method, the combining method of the central difference method and newmark s constant average acceleration method, and the transmitting boundary are used. by comparing the acceleration determined by the several methods of the displacements or velocities, a computing method of acceleration employed the one side difference of velocity is more practicality in this research. corresponding to normal incidence of the body waves, p waves or svwaves, and rayleigh surface waves, two two - dimensional finite difference programs are compiled to compu te the dynamic response of two - phase media
以土力學模型為基礎,利用以土骨架和孔隙流體的四個位移為基本未知量的數值方法去模擬二維飽水介質中的地震波傳播,採用了顯式差分方法(中心差分法和newmark常平均加速度法結合)和透射邊界,通過比較利用幾種差分格式求解的加速度結果,發現一種用速度單邊差分求解加速度的方法在本文研究中較為實用,分別編制了體波( p波或sv波) 、 rayleigh面波輸入時求解兩相介質動力響應的兩個二維數值分析程序。The sound level produced from your booth shall be limited to no more than 80 phons, as measured at a point 2 meters away from the border line of the booth
自己展間的產生音量規定值為:從離開展間邊界線2 m的地方進行測量,測定值在80phon以下。The complex nonlinear pursuit - evasion model of two spacecraft in near - earth coplanar orbit is simplified to linear model, the circular region the radius of which is equal to capture radius is defined as target set, capture is achieved when the evader come into the target set and the game is over ; the boundary of useable part ( bup ) is determined, and the analytical form solution of the linear equations is obtained by backward integration of the state variables from the bup, the linear barrier of the pursuit - evasion model and the optimum thrust of the both sides are thus obtained
本文將近地共面軌道內運動的兩飛行器非線性追逃模型簡化為線性模型,以捕獲半徑的圓域定為目標集,確定目標集邊界上的可用部分,並以此為各狀態變量的起點,對時間進行倒向積分,求得線性方程組的解析解,從而確定了該追逃模型的線性界柵,以及界柵上對策雙方的最優推力,即求得了滿足最優策略時相對運動的軌跡和推力。In this article, double threshold, iteration is applied to improve segmentation algorithm based on signal energy, and short - time zero - crossing rate is proposed for the first time to determine the exact boundaries between different components of heart sound
本文通過使用雙門限、迭代等方法,改進了基於信號能量的分段演算法,並首次引入短時過零率以更準確地定位分段邊界。Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping
本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。In recent years, plentiful and substantial fruits achieved by the lb method in simulations of hydraulics, multiphase flows, flows in porous media and heat transfer as well as magnetohydrodynamics, have revealed a broad perspective of application of this method, it will become a powerful competitor to the conventional approaches. in order to absorb the recent achievement in theory and application of the lb method, explore new ways in hydraulic computation to promote the development of practice, some work is car ried out in this thesis, as following : advances in the theory research and application, deductive process of the d2q9 model and some other commonly used models of the lb method are summarized. based on the hydrodynamic and general boundary conditions, a new joint boundary condition is presented, it integrates advantage of the two conditions above and obtains very good results in dealing with all kinds of boundaries of flow fields
為了消化和吸收近年來lb方法在理論和應用方面的新成果,探索在水力計算方面的新途徑以促進lb方法實用化的發展,本文進行了下列研究工作:綜述了lb方法在理論研究和實際應用方面的新進展,以及d2q9模型的推導過程和其他一些常用的模型;在水動力邊界條件和通用邊界條件的基礎上提出了一種新的聯合邊界條件方法,它綜合了上述兩種邊界條件的優點,在流場的各種邊界處理中取得了非常好的效果,經過模塊化的處理以後這種邊界條件具有更好的實用性;針對均勻網格的lb方法計算效率較低的不足,提出了雙重網格的latticeboltzmann方法,通過二維poiseulle流動、后臺階流動和渠道方槽流動三個算例的模擬,證明這種方法能夠明顯地提高流場模擬的計算效率;此外,根據復雜區域流場的特徵提出了latticeboltzmann方法的分塊-耦合演算法,利用lb方法的計算特性實現塊與塊之間的數據交換,充分利用計算資源提高計算效率,通過對「 t 」型、 「十」型和「 x 」型分岔管道流場的模擬,展示了這種演算法的特徵和優點,以及它所具有的應用前景。The research result shows that this physical model is useful to determine the locked area along plate boundary faults and further to make the long term and middle term earthquake prediction
研究結果表明,運用該模型方法可利用大地測量數據確定沿板塊邊界斷層帶的相對閉鎖區,從而進行中長期地震預報。This represents a boundary where the water seeps out of the soil into air.
這個邊界是水從土層中滲出進入空氣的地方。The site of this destruction is another kind of plate boundary : a subduction zone
銷毀舊巖石圈的地方形成另外一種板塊邊界:一塊潛沒的區域。The most achievement is that we firstly obtain the analytic accurate solution of the modal fields of the waveguide structure and find some available character : ( 1 ) the different uniaxial crystal materials have the different propagation properties ; ( 2 ) when the optical axis of the crystal is on the plane that is made up of the normal direction of the waveguide plane and the propagation, there are te mode and tm mode in this special waveguide, but the principal mode is different of the character of the uniaxial crystal, the principal mode is the principal mode of te mode for the negative uniaxial crystal, but the one of tm mode for the positive uniaxial crystal ; ( 3 ) when the crystal optical - axis parallel to the waveguide plane, for the positive uniaxial crystal material, the principal mode of the waveguide is a te wave, which can be excited by the light at any frequency ; when the light frequency satisfies a single mode propagation condition, there will be only the principal mode propagating in the waveguide, otherwise some of the higher order modes can be excited, which are neither te modes, nor tm modes, but the hybrid guided modes
本文就是在此背景下,利用金屬波導和單軸晶體的一些特性,結合麥克斯韋方程組和波導的邊界條件,從三種不同的情況研究了光在對稱平面單軸晶體金屬波導(波導層是單軸晶體,兩個波導界面均為金屬)內的傳輸特性,其主要貢獻為,首次解析地得到了這種波導結構下模式場的精確解,並發現了一些有用的特性: ( 1 )模式場的性質因單軸晶體的性質不同而異; ( 2 )當單軸晶體光軸位於波導界面法方向與傳輸方向構成的平面內時,波導中傳輸te波和tm波,只不過其主模因單軸晶體的性質不同而異,當波導層介質為負單軸晶體時,波導主模是te波主模,而波導層介質為正單軸晶體時波導主模是tm波主模。 ( 3 )當單軸晶體光軸位於波導面內時,對于正單軸晶體,波導的主模是橫電波te _ 0模,任何頻率的光波均可激勵該模式;當光波波長滿足一定條件時,波導內傳輸單模,否則,將激勵起高階模式,高階模即匪te波,也匪tm波,而是兩者耦合而成的混合模。There exist a number of paradise - like places on earth, but varna and its surroundings boast a warm and sunny climate, lush gardens and vineyards, and deciduous groves reaching down to the golden sands of pristine beaches, thus making it a destination unlike any other
世界上有許多地方如同天堂一樣迷人,而凡爾納和它的周邊地區卻以它的獨特而著稱:溫暖晴朗的天氣,芳草鮮美的花園和葡萄園,落葉柑橘和純凈沙灘上的金色沙子相映生輝。A i med at the badu ( k343 ) i arge seale i andslide in the nankun railway, geophysical exploration techniques such as seismic reflection of high resolution and geological radar are appi ied to detect the geologic characteristics of the landslide mass including 3d - conformation, perimeter, geometric parameters, si ippage pattern and distribution of displacement field in this dissertation. besides, acoustic method is used for detection of the former anti - slide piles and potency losing causations of the piles are analyzed and the sound geological conditions for upgrade of the piles are ascertained by the above investigations
本文針對南昆鐵路八渡( k343 )大型滑坡,運用高解析度反射地震、地質雷達等地球物理探測技術對滑坡體地質進行了詳細的勘測,揭示了八渡滑坡體的空間形態、邊界與幾何參數、滑動方式以及位移場分佈特徵;同時,利用聲波探測對原抗滑樁進行了檢測,分析了失效原因,並查清了擬建抗滑樁地段的地質條件。Modeling the 3d terrain effect on mt by the boundary element method
三維地形大地電磁場的邊界元模擬方法Such a value system is not only full with " imagined, " but the figure with the historical " making " factor, or " making history ", they are expressed mainly as follows : first of all, although the western literatures share with their own frontier concept of given countries, for instance, france literature, british literature, while facing to the " other cultures ", they seem the same thing : some quality, some unit, that is the narrative of " civilization " or superior nation to " barbarian "
顯然,這樣的學理依據和學術邏輯不僅充滿了「想象性」 ( imagined ) ,而且具有歷史意義上的「製造性」 ( making )特徵。其中有兩個基本假定被當作「想象」和「製造」要件歷史地融化到了這一學科之中: 1 ,盡管西方的文學具有國家的邊界概念,比如可以分為「法國文學」 、 「英國文學」等,但是,與「異文化」 ( otherculture )相比,它們卻是同質的,即「文明(或優等)民族」的文學敘事。On the optimization of the spatial structure of tourism development in the provincial border regions of china
我國省際邊界地區旅遊經濟發展的空間結構優化方略Malaria is one of the three most prevalent serious diseases in the world, the other are tuberculosis and aid, nearly 500 million people are infected worldwide each year, more than one million died, according to unicef , un children organization, more than 90 % of all malaria cases are infected in africa, two thousand african children died daily from this disease, doctor patric kaucher is with the center for disease control and prevention, in rural africa, one out of 5 children born does not survive till his fifth birthday, malaria is transmitted from person to person, via mosquitoes carry the parasite. malaria rapidly destroy the red blood cells which deliver o and nutrients to the rest of the body, the disease is preventable and treatable, but most africa do not have adequate resource to do with either
瘧疾是世界三大嚴重流行病之一,其他的2個是肺結核,艾滋病,每年大約有五億人感染此病,超過100萬人死亡,根據聯合國兒童基金會聯合國兒童組織,大約90 %的瘧疾病是在非洲感染的,每2天就有2萬的非洲兒童死於瘧疾,醫學博士是這個疾病控制和預防中心的,在非洲邊遠地方,出生的孩子每五個有一個活不到五歲,瘧疾可以在人類之間通過載著寄生蟲的蚊子傳播,一旦傳染了瘧疾,人類的運載氧氣和養料到身體各部位的血紅細胞就被很快破壞,瘧疾可以預防和救治,但是非洲沒有足夠的財力來救治瘧疾。Based on unified strength theory, the boundary line equation of surrounding rock mass plastic zone under non - uniform stress field was deduced, and it can be used to pre - estimate the dimensions and shapes of underground tunnel ' s plastic zone with different coefficients of horizontal pressure
摘要基於統一強度理論,推導出非均勻應力場的巷道圍巖塑性區邊界線方程式,可用於預測不同側壓系數時地下深埋隧洞的塑性區大小及形狀。In this paper, the authors study the mathematical model for seismic wave propagation in complex underground medium, discuss the boundary element method for solving seismic wave equations in frequency - domain, and investigate the computational formation of separation of wave equations in frequency - domain
摘要分析了復雜地下介質情形地震波傳播的數學模型,討論了地震波數學模型數值求解的頻率域邊界元方法,並得到波動方程頻率域邊界元法的離散化計算公式。分享友人