symmetry constraint 中文意思是什麼
symmetry constraint
解釋
對稱約束- symmetry : n. 對稱；勻稱；調和；勻稱美。 bilateral symmetry 左右對稱。 radial symmetry 輻射對稱。
- constraint : n. 1. 強迫，拘束。2. 約束，壓抑，拘泥。3. 強制力。4. 緊張感[狀態]。
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In quantum chromodynamics ( qcd ), vacuum is not trivial, that is, vacuum carry quantum numbers. such a behavior is embodied by non - perturbative con - densates of quarks and gluons. since hadrons are excitations with respect to the vacuum, hadronic properties are ultimately related to properties of the vacuum. based on the vacuum structure, some hadron properties have been described well. in the low energy region, qcd has two very important proper - ties : chiral symmetry spontaneous breaking and confinement, which are closely related to the vacuum characteristics of qcd. much experiments and theoretical studies have shown that chiral symmetry spontaneous breaking is very important to understand the low - energy feature of the strongly interacting physics, and the quark condensates give an expression to chiral symmetry spontaneous breaking. according to goldstone ' s theorem, the goldstone bosons with zero mass will emerge as the chiral symmetry is spontaneously broken. there are two ways : inear and non - linear methods to carry out this constraint. in our paper, we will use the non - linear method
大量實驗和理論研究表明，手征對稱自發破缺對于理解低能強相互作用十分重要，而夸克凝聚又是導致手征對稱自發破缺的因素。按goldstone理論，伴隨手征對稱自發破缺應該會有零質量的goldstonebosons產生。而對于這一條件的實現有線性和非線性兩種方法本文將用非線性的方法將手征對稱自發破缺應用於su （ 3 ）模型即重子八重態，得出描述其強相互作用的手征對稱自發破缺lagrange密度。 -
In this paper, we take a way which realizes this constraint by a nonlinear method and generalize the chiral effictive model to su ( 3 ) including the baryon octet. by this means, we obtain the chiral symmetry spontaneous breaking lagrange density which depicts the strong interactions
本文採用對這一條件進行非線性實現的方法將手征自發破缺的等效模型推廣到su （ 3 ）模型，即重子八重態，得出描寫強相互作用的手征自發破缺的lagrange密度。 -
Secondly, actions between banks and enterprises in china ' s credit market and the motivation of banks " deregulation are deeply analyzed by the means of the game theory. thirdly, the thesis studies how systematic factors in china aggravate the information asymmetry in the credit market from the aspects of property right, financial supervision and information announcement. at last, suggestions on how to dissolve the bank credi t risk and prevent non - performing banking assets increasing are put forward in the aspects of improvement of information symmetry, establishment of incentive and constraint mechanism and elimination of systematic factors which aggravate the information asymmetry
首先，論文分析了我國信貸活動中的信息不對稱所產生的逆向選擇與道德風險對銀行資產質量的影響；其次，作者運用博弈論方法對我國信貸市場中銀行與企業的博弈行為以及銀行違規的動力進行了深入地分析；接著，論文又從產權、金融監管和信息披露這三個方面研究了我國的體制性因素如何加劇信貸市場的信息不對稱問題；最後，論文從提高信貸市場的信息對稱度、建立有效的激勵約束機制以及消除加劇信息不對稱的體制性因素這三個方面對化解我國銀行信貸風險、防範銀行不良資產的新增提出了建議。 -
In this dissertation, with the aid of many types of constructive transformations and symbolic computation, some topics in nonlinear waves and integrable system are studied, including exact solutions, painleve integrability, backlund transformation, darboux transformation, symmetry ( similarity reduction ), conditional symmetry, lax integrable hierarchy, liouville integrable n - hamilton structure, constraint flow, involutive system, lax representation, r - matrix, separation of variables and integrable couplings. chapter 2 and 3 are devoted to investigating exact solutions of nonlinear wave equations : firstly, the basic theories of c - d pair and c - d integrable system are presented
本文以構造性的變換及符號計算為工具，來研究非線性波和可積系統中的一些問題：精確解（如孤子解、周期解、有理解、 dromion解及compacton解等） 、 panileve可積性、 backlund變換、 darboux變換、對稱（相似約化） 、條件對稱、 lax可積族、 liouville可積的n - hamilton結構、約束流、對合系統、 lax表示、 r -矩陣、變量分離及可積的耦合系統 -
Up to now, theoreticians in our nation simply have a superficial research in the internal transfer pricing mechanism which is constraint to the usage of marginal analyses in the economics as the basic method to get the optimal transfer pricing under information symmetry
到目前為止，我國理論界對于企業內部轉移定價機制的研究還不甚充分，僅限於在信息完全對稱情況下運用經濟學中的廠商理論確定最優轉移價格。
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