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The total influence is the sum of the direct influence and the indirect influence. By comparing the total influence of the economic-social factors and the bearing-controlled factors, this paper makes out the primary effect factor of the fertility level.

直接影响与间接影响之和即为总影响，通过比较经济社会因素和生育控制因素对生育水平的总影响，解析出1990年代中国生育水平的主要影响因素。

In this paper,from the six-term exact sequence,it is proved that the direct sum of Z and K1 -group of a Toeplitz algebra is always isomorphic to the topological K1 -group of the boundary of the relative domain.

本文通过六项正合列计算出，在强拟凸域上，它的拓扑边界上连续函数代数的K_(1-)群同构于区域上Toeplitz代数的K_1-群与Z的直和。

By using the tensor product of matrix, stride permutation matrix and matrix power series under the meaning of matrix direct sum, the parallel algorithm, including the scrambling algorithm, can be expressed integrally. This description provides a convenient tool for the study and application of parallel FFT algorithm.

本文提出了矩阵直和意义下幂级数的矩阵运算，同时利用迭代形式的矩阵方程将混合基FFT的并行算法及其数码倒置算法完整地表示出来，为并行FFT算法的研究和应用提供了方便的表示手段。

The compensation standard based on the cost for the water protection is the sum of direct cost and opportunity cost paid by governments at all levels, enterprises and peasants in Miyun county, which is the lowest compensation must be paid. If the basic cost incurred cannot be offset, there will be a financial difficulty and continuous impoverishment for the local government and peasants.

其中，以水源保护成本为依据计算所得的补偿标准，是密云县各级政府、企业和居民保水付出的直接成本和机会成本，是必须支付的最低补偿标准，如果连基本的成本都得不到补偿，会造成当地政府、居民入不敷出和持续贫困。

In section 2 ,if one Lie colour algebra can be decomposed to direct sum of two ideas ,the same as the center.And when the center is zero , the derivation and the inner derivation can be also decomposed .Lie colour algebra L is complete if and only if its two ideas are both complete .

第二部分首先讨论了若李color代数L可以分解为两个理想的直和，则中心也可以分解为两个理想的直和，而且当中心为零时导子和内导子也有同样的理想直和分解，并且L完备的充要条件是两个理想都完备。

At last we introduce the most important theory in this thesis which is the uniqueness of decomposition . Complete Lie colour algebra of any finite dimension can be decomposed to direct sum of simply complete ideas .And the decomposition is unique except the order of the ideas .

最后给出了本文最重要的一个定理——完备李color代数的分解唯一性定理，指出有限维完备李color代数可以分解为单完备理想的直和，而且除这些单完备理想的次序外，这种分解是唯一的。

Exponential dichotomy describes a kind of hyperbolicity of the system. That is, the state space can be decomposed into a direct sum of two subspaces, which are continuous and invariant. And with the time evolving forward, the system is exponentially attracting in one subspace and exponentially expanding in the other subspace.

指数二分性描述了系统的一种双曲性现象：状态空间可以分解成两个连续不变的子空间的直和，随着时间的正向变化，系统在其中一个子空间上表现出指数压缩行为，而在另一个上面表现出指数扩张行为。

In this paper, we mainly use complex semisimple algebras knowledge. First, we give the structure formula of C. Second, we show that any n x n symmetric matrix A is congruent under the symplectic group to the direct sum of a identity matrix and a tridiagonal matrix.

记正交代数和辛代数的交集构成的李代数为L，本文主要是运用复半单李代数的知识，首先给出了L的结构公式，然后给出了任一n×n对称矩阵A辛合同于一个单位矩阵和一个三对角矩阵的直和。

Author analyses the cost, benefit and efficiency in detail, and comes to three conclusions: first, the aim is to get the minimal cost from the sum of direct cost and erroneous cost in economy; second, the highest point exists when marginal cost crosses marginal revenue; third, the design of the minimal cost in criminal summary procedure system must insist three principles: punctual, brief and justice.

在这一部分中，笔者通过对刑事简易程序进行成本分析、收益分析以及效率分析得出了三个重要的结论：一是从经济学的角度看，刑事简易程序的目的就是要使直接成本和错误成本之和最小化；二是刑事简易程序成本投入的最佳水平是其边际成本与边际收益相交的均衡点；三是为了实现成本的最小化，在设计刑事简易程序制度时应当坚持三个原则——及时原则、精简原则和最低公正原则。

A rule whereby the sum of the inflation rate and the P/E ratio of the Dow Jones Industrial Average is an indicator of the direction of the stock market.

指通胀率及道琼斯工业平均指数的市盈率的总和是股市方向指标的理论。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐