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一次项
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  one degree term
     On Coefficient of One Degree Term of Chromatic Polynomial
     论色式的一次项系数
短句来源
     The coefficient a_1(G) of one degree term of chromatic polynomial is studied. A sufficient condition that a connected graph is a planar graph is given. The structure of the graph Gis demonstrated if |a_1(G)|=6,7,8,9,10.
     引进了G-粘接树、(n_1,n_2,…,n_h)-图等概念,讨论了色多项式一次项系数的意义,给出了判断一个圈是平面图的充分条件,指出了当|a_1(G)|=6,7,8,9,10时,图G所具有的结构。
短句来源
     The structure of graph G is discussed if the absolute of coefficient of one degree term of the chromatic polynomial of G is 24.
     让a1(G)表示图G的色多项式的一次项系数.给出了满足条件|a1(G)|=24的图G的结构.
短句来源
     The concept of united graph is introdued in this paper. Based on paper[3],we furtherdiscuss the coefficient a_1(G)of one degree term of chromatic polynomial. The structure of the graph G isgiven if |a_1(G)|=m,where 11≤m≤23.
     引进了几个图之联合图的概念,在文[3]的基础上,继续讨论了色式的一次项系数,指出了当11≤|α_1(G)|≤23时,图G所具有的结构。
短句来源
  “一次项”译为未确定词的双语例句
     On the Complex Mode Vibration Having Antisymmetric Coefficient Matrix
     一次项系数矩阵为反对称阵的复模态振动问题及其解
短句来源
     This paper proved a commutativity theorem on semiprime rings as follows:for any a,c∈R,b∈Z(R)\{0},there must exist a polynomial f(x,y) with integer coefficient depending on a,b and c,such that [a-f(a,b),c]∈Z(R)then R is commutative.
     证明了满足下列条件的半质环是交换环:若对R中任意元a,c,R中非零中心元b,都有依于a,b,c的整系数多项式f(x,y),使[a-f(a,b),c]∈Z(R)其中f不含a的一次项.
短句来源
     The suggested equation of the daily feeding index for Miichthys miiuy larvae is: daily feeding index = satiation coefficient +(12×monomial coefficient in the regression equation),the result of the daily feeding indexes were 5.92%,15.19% and 22.29%,respectively.
     提出鮸鱼幼鱼的日摄食量指数公式为:日摄食指数=饱食系数+(12×消化道饵料系数与消化时间曲线方程一次项系数),得到日摄食量指数各为5.92%、15.19%和22.29%.
短句来源
     In the paper we study the relation between the circumference c(G) of the connected graph G and the monomial coefficient a 1 of its color palymonial,and obtain inequality|a 1|≥c(G)-1.Equality is true iff G only includes a cycle.
     研究了连通图 G的周长c(G) (c(G)≥ 3)与它的色多项式一次项系数a1的关系 ,得到不等式|a1|≥c(G) - 1.等号成立当且仅当G中仅含有一个圈
短句来源
     In view of Chinese Toon's scatteringly gather and the need of concentrating processing, we study the variations of acid formed and pH value in the salinized store course under different salt concentrations and set up the forming acid synamics model:y = ax2 + bx+ c,and relate the relationship between quadratic a,linear b,constant c and salt concentrations.
     基于香椿采集分散,集中贮藏加工的需要,研究了不同食盐浓度下盐渍贮藏的产酸和pH值的变化情况,建立了产酸动力学模型Y=ax~2+bx+c,并对二次项a、一次项b、常数项c与食盐浓度的关系进行了关联。
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  相似匹配句对
     Dialogue An Interview
     采访
短句来源
     The First
     第
短句来源
     On Coefficient of One Degree Term of Chromatic Polynomial
     论色式的系数
短句来源
     Discussion on Coefficient α_1(G) of Chromatic Polynomial
     关于色多式的系数
短句来源
     L-1;
     L’.
短句来源
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By using the time aepenaent projection operator to the intrinsic aegreea or freedom, the general theoretical framework of the coupling equations of the relative motion in classical limit, oscillective oscillations and single particle excitations are formulated. For a coupling system simultenously involving the degrees of freedom of the relative motion and the intrinsic excitations (including collective oscillations and single particle excitations). In the first order Born approximation and the random phase approximation...

By using the time aepenaent projection operator to the intrinsic aegreea or freedom, the general theoretical framework of the coupling equations of the relative motion in classical limit, oscillective oscillations and single particle excitations are formulated. For a coupling system simultenously involving the degrees of freedom of the relative motion and the intrinsic excitations (including collective oscillations and single particle excitations). In the first order Born approximation and the random phase approximation of the matrix element of the interaction between phonons and single particle (neglecting the higher terms of the interactions between relative and the phonons, single particle.) the simple coupling equations, which are physically clear and easy for computations, are obtained.These theoretical formulations are expected to be useful for the descriptions of the transport process for the inelastic collision between heavy ions as well as nuclear fission.

考虑一个具有相对运动、内禀激发(包括集体振动、单粒子激发)相互耦合系统,在对相对运动做经典近似的条件下,并对内禀自由度采用与时间有关的投影算符方法,可以得到相对运动、集体振动及单粒子激发的耦合方程的一般理论形式。在一级玻恩近似和声子单粒子相互作用矩阵元的无规位相近似下,并忽略相对运动与声子单粒子之间相互作用高次项(只考虑到一次项),我们得到比较简单便于进行数值计算的耦合方程。这个理论适用于描述重离子深度非弹性散射,核裂变等核反应输运过程。

In this paper, some properties of a strong-coupling exciton in piezoelectric crystal are studied. An effective Hamiltanian of the exciton is obtained by the method of a linear-combination operator and a simple unitary transformation. The self-energy could be written as a series in α-1, the first term being proportional to a, the coupling constant. The interaction potential induced by the interaction of the electron-hole with the phonons is related to coupling constant and sound speed etc.

本文研究压电晶体中强耦合激子的性质.采用线性组合算符和一种简单的幺正变换,得到了强耦合情形的压电激子基态的有效哈密顿量,激子的自能表示为耦合参数α的降幂级数,其首项为一次项.电子-空穴间通过声子作用诱生的作用势与耦合参数、声速等有关.

In this paper,a discussion is made for the interior motion of a strong-coup- ling exciton in polar crystal by the method of a linear-combination-operator,a effective hamiltanian for Wannier exciton obtained.The self-energy of the exciton could be written as a series in α~(-1),the first term is proportional to α,the coupling constant.The interior effective potential is related to α etc.

本文采用线性组合算符的方法讨论强耦合极性晶体中激子的内部运动,对Wannier激子导出了激子内部运动的有效哈密顿量。激子的自能表示为耦合参数α的降幂级数,其首项为一次项。激子内部有效作用势与耦合参数α等有关。

 
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