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The life curve of the transformer is different from life curve of the electronic product and it disobeys the exponential distribution.

变压器的寿命曲线与电子产品的寿命曲线不同，并不服从指数分布。

Interarrival times have an exponential distribution with a mean of 1/l.

到达间隔时间服从均值为1/l 的指数分布

Interarrival times have an exponential distribution with a mean of .

到达间隔时间服从均值为的指数分布

The results showed that the COD of the influent and effuent of the wetland followed the rule of exponential equation.

结果表明，湿地进出水COD服从指数方程规律。

We reject the hypothesis that stock price follows exponential Levy process. Moreover, we list some problem unsolved in our research.

从技术分析指标出发，否定了股票服从指数levy过程的假定，并给出了进一步的研究方向。

This paper deals with pricing theory and empirical study about European option pricing when stock prices obey exponential Generalized hyperbolic levy process.

本文研究股价服从指数广义双曲levy过程下的欧式期权定价理论，并以宝钢欧式看涨期权为例，通过技术方法实现定价。

Under the hypothesis of stock price submitting to exponential Ornstein-Uhlenbeck process ,we solve the formula of pricing of stock and analyse the kind of the option formula, and then aiming at the blemish to suppose to interest rate before and considering the relation of the fluctuation of interest rate and the fluctuation of stock price , we bring up the model of the market interest rate and focus on analyzing the effect of the fluctuation of market interest rate on the option price based on the model.

本文首先在股票价格服从指数Ornstein-Uhlenbeck过程模型假设下，求解了股票的定价公式，分析了期权公式的性质，然后针对以往对利率假定的缺陷，考虑到市场利率波动与股价波动的相关性，提出了市场利率模型，并在此基础上，着重分析了市场利率的波动对期权价值的影响，求得了适合于期权有效期较长情形下的期权定价公式，并将该公式通过实例与著名的Black-Scholes期权定价公式进行了深入比较。

In Chapter 5, considering the uncertain returns of securities as fuzzy numbers which follow an exponential possibility distribution function, we give a semi-definite programming method to solve the non-linear problem in estimating the exponential possibility distribution function process. Furthermore, we extend the center spread model proposed by Tanaka and Guo to the case of a frictional financial market.

第五章将证券收益率看作是服从指数可能性分布的模糊数，提出了证券收益指数可能性分布估计过程中求解非线性问题的半正定规划方法，并且将Tanaka和Guo的中心差值可能性投资组合模型扩展到了带摩擦的金融市场的情况。

An approximation method of queueing networks in series with exponential servers with buffers, Poisson arrivals and block ing is presented.

本文讨论产品以Poisson过程到达，有K道加工工序，每加工点是有限容量且服务服从指数分布带受阻的排队网络，并给出了平稳条件和在平稳条件下以三节点组合逼近方法得到平均队长。

Usually, we assume that exterior ballisticmeasuring error has normal distribution with zero mean. But during the real measuring,it is possible for exterior ballistic measuring parameters to cause system error.

通常假定外测误差服从零均值正态分布，而在实际测量中，外测参数有可能带有系统误差，它的存在对飞行轨道和落点信息的获取都具有不利的影响。

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