待定

Chapter Four is divided into three parts, discussing the effectuation of the contract of carriage of goods by sea, making an analysis of the formulation and effect of agent without authorization on the contract of carriage of goods by sea.

第一节论述了效力待定的海上货物运输合同，主要分析了无权代理的海上货物运输合同的形成及法律后果。

Firstly,the differential equation with parameters is given,at the same time,in order to let the truncation error of differential equation reach O(Δt~2+Δx~4) as high as possible,the method of undetermined coefficent is used to appropriately select the expression of these parameters.Secondly,the stability condition of the scheme derived is given by using the Fourier method of stability analysi...

首先给出了含参变量的差分方程，并用待定系数法适当地选取了这些参数的表示式，以使差分方程的截断误差阶尽可能高地达到了O(Δt2+Δx4)；其次用稳定性分析的Fourier方法给出了所得格式的稳定性条件；然后给出了确定差分格式中参数的两种方法，得到了一个稳定性条件为r/3的分支稳定的高精度显式差分格式；最后给出了数值例子，数值结果表明了本文格式较现有同类格式的优越性和理论分析的正确性。

Two: 28 year old of female model, the skin is white, the waist is thin, plentiful, height above 168, similar Chen Hao, female one: 35 years old, thin face, teacher, female two: 28 years old, after having a child, the chest changes is small, female three: Undetermined, female four: 40 year-old female, the popularity, the chest has the tumour, female five: 35 years old, even chest, female six: 35 year old of female, fat, the waist excrescence are many, female seven: 28 years old, the cosmetology losing weight experience, the effect is obvious, the request stature image is good.

二：28岁女模特，皮肤白，腰细，丰满，身高168以上，类似陈好，女一：35岁，瘦脸，老师，女二：28岁，生孩子后，胸部变小，女三：待定，女四：40岁女，大众化，胸部有肿块，女五：35岁，平胸，女六：35岁女，胖，腰部赘肉多，女七：28岁，美容减肥体验者，效果明显，要求身材形象好。，女八：30-35岁女，胖，减肥者

To obtain the unknown intermediate vector function needs to solve a Fredholm integral equation of the first kind, the solution of which can only be determined with a difference of a vector proportional to the normal of the boundary and its integration on the boundary must zero.

可是要求出该积分表达式中待定的边界上的向量密度函数要导致求解第一类Fredholm 积分方程。

The fracture problem can be solved by calculating the boundary value of a partial differential equation. By the methods of complex variable function and undetermined coefficients, the formulae for deflection, displacement, bending moment, torque, stress and strains near the crack tip are derived.

该断裂同题可化为求解一个偏微分方程的边值问题，借助复变函数方法和待定系数法，推出了裂纹尖端附近的挠度、位移、弯矩、扭矩、应力和应变的计算公式。

The functional relation formula between the system reliability and the investment costs is corrected, and then the significance of some unknown parameters is more explicit.

对系统可靠度与投资造价的函数关系式进行了分析和修正，从而更加明确有关待定参数的意义。

This drug, with the effect of purging liver-fire and dispersing the depressed liver-qi, is suitable for hepatosis patients.

本药泻火疏肝，适宜各类肝病患者。笛卡儿的分解四次方程的解法采用待定系数。

The advantages of this method are:① the range of the exponent i of the undefined functions f from-N to N;② the indeterminate specific form of function so that we can get more new exact solutions.

点在于：①待定函数f的指数i的范围从N扩大到－N；②可以不必给出函数f的具体表达式求解方程，这样便于寻找更多的解。本文就是利用了这一特点，选择合适的参数，得到一些mBBM方程新的精确解。

In this method,without depending upon small parameter,a trial function with possible unknowns is used as initial approximation,then a correction functional is constructed by means of a general Lagrange multiplier ,which can be identified via variational theory.

本文提出了一种求解非线性方程的迭代算法，它不依赖于小参数，是先给方程一个带待定函数的试函数作为初始近似解，然后用拉氏乘子法构造一个迭代公式。

PartⅡis devoted to studying integrability of nonlinear DDEs from the view of conservation law starting from scaling symmetry.

第二部分研究非线性DDE守恒律的待定系数构造算法。

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