有界向量 的英文怎麼說
中文拼音 [yǒujièxiàngliáng]
有界向量
英文
gebundener vektor bound vector; fixed vector-
The author conceptualized and measured the following variables : time perspective ; the coping style ; reduced harm internet use self - efficacy ; positive peer involvement ; moderate parents involvement ; the totality of internet use and the score of functions. after the research used the structure equation model ( sem ) to fit the collected data, the following pathways were demonstrated at the significant level : 1, the time perspective present ( tpp ) piu. 2, tpp abreaction piu
通過時間透視、應對策略、減少傷害性的網際網路效能感、積極同伴捲入、適度父母捲入、網路(使用)總量、功能分數的界定與測量,該研究使用結構方程模型擬和數據后發現下列路徑對piu具有明顯的預測作用:現在定向piu ;現在定向發泄piu ;現在定向問題解決piu ;現在定向同伴捲入piu ;現在定向同伴捲入功能分數piu ;未來定向問題解決piu ;未來定向父母捲入piu ;未來定向發泄piu 。" body gamma knife is mainly used for curing all kinds of body tumors, and the latest generation three - dimensional directional actinotherapy devices. it incorporates many modern high - techs and effectively break through the limit of actinotherapy devices available while precisely focused and three - dimensional directional. it also has adjusted actinotherapy, wide range irradiation and common actinotherapy, and protects the normal organism from damage at best while its dosage precisely destroys tumor organism
「體部伽瑪刀」主要用於治療各種體部腫瘤,是目前世界上最新一代立體定向放療設備,它吸收了眾多現代高新技術成果,有效地突破了現有放射治療設備的局限,兼備精確聚焦立體定位等優點,具有適形調強放療大野照射及普通放療等多種功能,能夠在劑量準確摧毀腫瘤組織的同時,最大程度地保護正常組織免受損傷。The guidance scheme includes a trajectory planner that generates a feasible flight trajectory and a control law that achieves bounded tracking of the downrange and crossrange distances as functions of energy
其中,軌跡規劃器可產生一個可行的飛行軌跡。控制律作為能量的函數可實現再入段對縱向和橫向航程的有界跟蹤。There isn t anything new you could find in these two characters. as an " unofficial sequel " i would tend to call it that way due to the similarities of the structure, thematic element, cast and the release date of the film to the the warlord
李翰祥是華語電影界產量較多的熟手巧匠,作品類型廣泛,除了江山美人和垂簾聽政等文藝鉅著,亦有通俗市井如金瓶雙艷和三十年細說從頭等,電影水準一向比較參疵。Nurbs surfaces with single interior knots are simple and used widely. the thesis main aims at biuquartic, biquintic, k x fc - degree b - spline surfaces and bicubic nurbs with single interior knots. one of the contributions is to apply knot refinement and the geometric continuous conditions of bezier surfaces to deduce the geometric continuous constraints of nurbs patches and obtain the intrinsic equations of common boundary curves, where the intrinsic equations are the special phenomena of nurbs surfaces
節點向量是內部單節點的nurbs曲面是最簡單也是最常用的,本文重點針對單節點的雙四次、雙五次和雙k次b樣條曲面及雙三次nurbs曲面,運用節點插入技術和b zier曲面的幾何連續理論成果,導出了它們之間的幾何光滑拼接條件,同時得到了公共邊界曲線所必須滿足的本徵方程,其中本徵方程是nurbs曲面所獨有的現象。The difference between these two algorithms is that the former uses sub - domain as the basic unit of task to be allocated and the latter uses the node - super - row as the basic unit of task. ( 6 ) the original problem is transformed into transformed domain by using laplace transform method. by the parallelization of the bem in the transformed domain, the parallelization of the elasto - dynamic be analysis is implemented by introducing the time related fimdamental solution, the time dependency is released from the formation of time - domain be equations
( 6 )通過拉氏積分變換法將彈性動力問題轉換至變換域,通過變換域上邊界元的分佈并行處理實現了彈性動力邊界元分析的并行化;引入與時間有關的基本解,解除了時域邊界元系統方程組形成階段的時間順序依賴性,通過矩陣向量運算的分佈并行處理實現方程組時間步進求解方法的并行化,這種方法是一種部分時間并行演算法。Arid an algorithm of parity residuals and the theory of residual vector probability - data fusion are used for detecting the abrupt change failure of srfcs, especially the failure of actuators ' failures and single control surface ' s failures
該系統是按照軟體工程規范,採用等價空間法和殘差向量的概率信息融合法研製和開發的,不僅能對飛行控制系統的突變故障作動器卡死故障和控制舵面損傷故障進行實時檢測和隔離,而且具有良好的用戶界面。Observe the bookshelf carefully, find that there are two very suspicious places, utilize the wooden ladder to investigate these two places, find two classics, one is originally the research regarding the energy of the world is distributed, say above whole world spread all over lines of energy, the point of intersect of the line intersection point of energy is the place where energy is gathered, three pieces of energy are held in the world a bit most, stone burst, duncan river district, south america capital of peru to lie in north america new england to lie in britain ; another guide of duncan river book originally, inside copy, state duncan cliff district of river there are intricate underpasses, some can still pass through so far
仔細觀察書架,發現有兩處地方很可疑,利用木梯調查這兩個地方,找到兩本書典,一本是關於世界能量分佈的研究,上面說整個世界遍布著能量線,而能量線相交處的交點則是能量聚集的地方,世界上有三個能量最盛點,分別是位於英國的石陣、位於北美新英格蘭(英國殖民地)的鄧肯河地區、南美秘魯的首都;另一本是鄧肯河向導書,裏面描述說鄧肯河的懸崖地區有錯綜復雜的地下通道,有些至今仍能通行。It combines two remarkable ideas : maximum margin classifiers with low capacity and therefore good generalization, and implicit feature spaces defined by kernel function. theoretically underpinned by these ideas, svm can overcome the curse - of - dimensionality and over - fitting problems elegantly. due to its remarkable performance on many applications, svm is receiving increasing attention now
支持向量機是基於統計學習理論的結構風險最小化原則的,它將最大分界面分類器思想和基於核的方法結合在一起,表現出了很好的泛化能力,並且可以有效地克服維數災難和過擬合等問題,因此受到越來越多的研究人員的關注。To completely avoid producing elements jointed at their corner nodes and checkerboard patterns, which frequently occur when the topology optimization of plane continuum is studied, the theory of topology analysis of plane continuum in topology optimization process and the simple algorithm for programming are studied. according to algebraic topology theory, the boundary of elements and plane continuum are operated as a one - dimensional complex. by use of the adjacency vector in graph theory, the structural topology is described and the topological operation is achieved on a computer. by above, the structural topological feature in the evolutionary process is gained. these methods are effcient and reliable. under topology constraints, according to the results of stress analysis, by deleting elements and moving nodes at the boundary, more satisfactory results can be gained by using a few numbers of elements and iterations. to demonstrate the efficiency of these methods, solutions including some well - known classical problems are presented
避免目前平面連續體結構拓撲優化過程中經常出現的單元鉸接以及「棋盤格」等現象,研究了連續體結構拓撲優化過程的拓撲分析方法,以及在計算機上實現的簡便演算法.根據代數拓撲理論,單元及連續體的邊界作為1 -復形進行運算.利用圖論中的鄰接向量概念,在計算機上實現了結構的拓撲描述及拓撲運算,得到了結構在拓撲演化過程中的拓撲特性,方法簡單、可靠.在一定的拓撲約束下,根據應力分析結果,採用刪除單元、單元退化、移動節點等方法,可以用較少單元得到更為滿意的結果,提高計算效率.為演示方法的有效性,給出幾個包括常見經典問題的解答The world is shifting from economies of scale to economies of scope, with the development of information technology and telecom web, the sme ( small - medium enterprises ) are becoming the focus of national economy. so every country pays great attention to sme
世界正從規模經濟( economiesofscale )走向范疇經濟( economiesofscope ) ,信息科技與電信網路的發展,已使個體能夠凝聚並發揮前所未有的力量(劉常勇, 1998 ) 。Based on the effective mass theory and critical state model, an anisotropic theory of critical current and ac losses for single hts tape and tape stacks were established. analytical formulae were presented to calculate critical currents and ac losses with an arbitrary angle between the wide side of hts tape and the direction of ac or dc applied fields. from the anisotropic theory of ac losses of hts sample, a numerical model to calculate ac losses of hts coil was developed
基於臨界態模型與高溫超導體的有效質量理論,建立了高溫超導帶材及並聯堆疊帶材的交流損耗與臨界電流的各向異性理論模型;給出了高溫超導帶材的交流損耗及臨界電流隨(交、直流)背景磁場與超導帶面夾角變化規律的理論公式;依據所建立的高溫超導短樣帶材的各向異性理論公式,給出了高溫超導線圈交流損耗的數值計算模型;並利用該模型,計算了高溫超導雙餅線圈的交流損耗;並與實驗測量結果進行了比較分析。As a result, ( i ) let k ( x ) be the function assign to each point x of m the infinimum of the sectional curvatures of m at that ponit, if k ( x ) satisfies, then m is totally umbilical. ( ii ) let q ( x ) be the function assign to each point x of m the infinimum of the ricci curvatures of m at that ponit, if q ( x ) satisfies q > 1 / 4 ( n - 2 ) ( c + 4h2 ) - 1 / 4nc, then m is totally umbilical, ( iii ) let a be the square length of the second fundermental form, if satisfies, then m is totally umbilical
) )中具有非零平行法平均曲率向量的緊致全實偽臍子流形m ~ n ,得到了( ? )如果m ~ n在其點x的截面曲率的下確界函數k ( x )滿足條件:則m ~ n是全臍的( ? )如果m ~ n在其點x的ricci曲率的下確界函數q ( x )滿足條件:則m ~ n是全臍的。 ( ? )如果m在m中的第二基本形式h長度的平方滿足條件:則m ~ n是全臍的。Abstract : in this paper, we investigate some properties of cone - continuous vector - valued functionsand the greatest cone lower bound, and prove the connectedness of the cone efficient solutionset for a cone - continuous vector - valued cone - quasiconcave function under the condition thatthe image set is cone - convex
文摘:本文討論了錐連續函數及錐最大下界的性質,在此基礎上討論了錐連續錐擬凹向量函數最大化問題有效解集的連通性,證明了當象集為錐凸集時錐有效解集是連通的Thereupon, the idea of coupled wheelsets is brought forward that the left and right wheels of wheelsets are coupled properly to produce a few lognitudinal creep forces. in this way, coupled wheelsets have both self - steering capability and higher critical speed. some researches about coup led wheelsets have been carried through abroad, however research about coupled wheelsets is basically a blank in homeland
鑒於此,國外一些專家學者又提出了耦合輪對的設想,即輪對的左右車輪通過某種形式進行適當的耦合,這樣便可產生適量的縱向蠕滑力,從而使輪對既具有導向功能,又能保證車輛具有較高的臨界速度。There were troubles in the continuity of the function and of its - derivative divided by band - mass on the boundary. in the theoretical calculation, the wave function is relative to the physical properties of the impurity greatly, the envelop function f ( x, y ) is expanded in terms of the one - dimensional linear harmonic oscillator function in this paper. it satisfies the continuity of the function and of its - derivative divided by the band - mass, so it improves the precision of the function and binding energy
與以往工作不同的是,以前選用的x , y方向電子的包絡函數f ( x , y )是一維有限深量子阱中波函數的乘積,在邊界上波函數的連續性和粒子流的守恆條件存在問題;而在理論計算中,波函數的選取與雜質的物理性質有密切關系,本文選取的電子的包絡函數是用一維線性諧振子的波函數展開而成的,在邊界上能夠同時滿足波函數的連續性及粒子流( 1 / m ~ * ) f ' ( x , y )的守恆條件,從而使得波函數和束縛能的精確度得到了改進。One is based on the bounded simplex method. at first, nonlinear equations was transferred to linear equations whose feasible region contained all solutions in the given interval vector, then the bounded simplex method was used to determine whether the feasible region was empty or not
有界變量單純形法:首先將非線性問題轉化為帶約束條件的線性規劃問題,該線性規劃的可行域包含了所給區間向量范圍內的所有解,然後使用有界變量的單純形法判斷可行域是否為空。Boundedness of vector - valued operators on herz - morrey spaces
向量值運算元在空間上的有界性In this paper, the spectrum of anisotropic energydependent transport operators in a bounded convex body of which the media are inhomogeneous is discussed
摘要討論了各向異性、能量相關、非均勻有界凸體介質中遷移運算元的譜。In 1860, schrodinger first put forward the concept " schrodinger equations " in quantum mechanics and since then, the study on schrodinger equations has never stopped, for the mathematical description of many physical phenomena belongs to the field of schrodinger equations, such as nonlinear optic, plasma physics, fluid mechanics etc. as for the form of schrodinger equations, linear schrodinger equations was gradually replaced by nonlinear schrodinger equations ; as for the methods of solving schrodinger equations, the modulus estimate of energy, the principle of contraction mapping, fourier transformation and harmonic analysis are used ; as for the space of the solutions, many people have worked on the problem in bounded domain, euclidean space of dimension n, periodic bounded conditions and mixed regions and they also combined it with the generalization from low dimension to high dimension
) dinger方程,如非線性光學、等離子物理、流體力學[ 21 ]等;在方程形式上,從線性schr ( ? ) dinger方程到非線性schr ( ? ) dinger方程;在處理方法上,用能量模估計、壓縮映象原理和fourier變換調和分析等;在方程解空間上,研究有界區域、 n維歐氏空間、周期性有界區域和混合區域等,並且結合從低維向高維推廣。分享友人