查询词典 structure group

By using the orthogonality condition of augmented eigeuvector of multibody system, the algebraic equation group with unknowns of structure parameter is formed.

利用多体系统增广特征矢量的正交性条件，可建立以系统物理参数为未知数的代数方程组。

In the light of the complex, high-level and non-linear feature of the mathematical model which describe the transport of the coalbed methane, this paper study the fully-implicit solving method of the mathematical model in detail. Based on the complexity of the algebraic equations which are formed eventually, according to the alternating direction implicit difference pattern, this paper use the iterative method and the fully main element Gauss-Jordan eliminating method to solve equations, which is to use the iterative method to determine coefficient matrix and use the fully main element Gauss-Jordan method to solve th linear algebraic equation group, at the same time of studying the solving method of the mathematical model, according to the devising requirement of FORTRAN77 program structure, this paper draw up computer program and form the corresponding computer model, and verify the validity and reliability of the model in theory by operating the model.

重点研究了模型内、外边界及有关参数的处理，针对描述煤层甲烷运移的数学模型是一个复杂、高阶非线性数学模型的特点，详细研究了模型的全隐式求解方法，根据最后形成的代数方程组的复杂性，按交替方向隐式差分格式，采用迭代与全选主元高斯约当消去法相结合的方法求解方程：即确定系数矩阵采用迭代法，求解线性方程组时采用全选主元高斯约当消去法，在研究模型解法的同时按FORTRAN结构化程序设计的要求，编制计算机程序，形成相应的CBMRS计算机模型，并通过模型的运行从理论上证明了模型的正确性与可靠性。

If we study further the characteristic of this algebraic structure under the action of permutation group elements, it would provide a new approach to solve the problem about the renormalization of noncommutative scalar fields.

如果进一步考察该代数形式在置换群作用下的置换性质，就为我们提供了一种完全解决非对易标量场重整化问题的一种可能途径。

Based on characteristics and connectivity of the groups in molecules,the group contribution method and topological method was combined together,a new method was developed which can be used to calculate the density of alkyne from molecular structure.

根据分子中基团的特性和连接性，将基团贡献法和拓扑方法结合在一起，发展了一种计算炔烃密度的新方法———基团键贡献法，该方法具有基团贡献法适用范围广和拓扑方法计算结果准确可靠的特点。

The poem also uses rhyme to structure its stanzas, and each group of long alliterative lines concludes with a word or phrase containing two syllables and a quatrain—known together as the bob and wheel.

这首诗还采用韵安排其stanzas ，每个小组的长期alliterative线的最后一个单词或词组包含两个音节和四行著名一起为 Bob和车轮。

Results: HE staning indicated that the structure of the control group lung tissue were normal and there were no inflammtory cells in the pulmonary alveolus.

结果：HE切片显示对照组肺组织结构正常，肺泡内未见炎性细胞。

Then select the suitable and anastigmatic set to constitute a physical's four group of optical zoom lenses structure. Making use of the optical software excellent turn to reduce the aberration pass muster specification of requirement.

进而选择合适的透镜组组成一个实际的四群光学变焦结构，利用光学软体优化降低像差成份进而达到规格的需求。

Analyses of spectral structure and surface tension of solutions suggest that the hydrophobic hardrocarbon chain of surfactants was partly included in the apolar cavity of β-CD and the part with the polar head group of hydrocarbon chain located outside the cavity coiled over the top of β-CD, providing an effective protection for RTP.

组成测定表明溶液中形成了稳定的1：1：1/1-BrN：β-CD：AS三元包合物。光谱和溶液表面张力分析显示阴离子表面活性剂的疏水性烷基链有一部分被包合在β-CD空腔内，未被包合部分则绕曲在β-CD腔口处从而为空腔内1-BrN分子的磷光提供了有效保护。

From 1990s, with the use of Management Buy-outs by several enterprises in China, a lot of successful cases of MBO had let the economists, managers and policy-makers all concerned with this method. A MBO is a transaction that a group of managers buying a substantial amount of equity or asset in the firm for which they work. After that, the managers control the firm, change the equity and asset structure of the firm. It plays an important role in solving the property right problem of GOE and privately- owned enterprises and their lack of incentive mechanism in China.

进入90年代以来，随着管理层收购被我国一些企业采用，众多管理层收购案例的成功实施引起了中国经济界和企业界的强烈关注，管理层收购作为一种公司管理层购买本企业的股票或资产，以取得目标企业的控制权，从而改变公司所有权结构、控制权格局以及公司资产结构的制度安排方式对我国解决国有企业和民营企业产权不清问题，从而激励管理层提高企业业绩具有重要作用。

Li and one of his lemmas toabbreviate the nonnormal Cayley digraph 〓 into the case when 〓 is a dicycle.When 〓 is a dicycle,we give the sufficient and necessary conditions for 〓 to benonnormal and the structure of the corresponding automorphism group Aut.

Li定义的一个图〓，其中N是Aut的一个非平凡极小正规子群，和他的一个引理，把对非正规Cayley有向图Γ的讨论简化到〓是一个有向圈的情况，进而决定了当〓为有向圈时，Γ非正规的充要条件和Aut的结构。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷