可预测的

Based on theory of simple harmonic oscillation in physics,this paper presents a novel model for production decline prediction given by deformation of critical damping oscillation equation which is predigest.

基于物理学中的简谐振动原理，提出了把阻尼振动方程中的临界阻尼振动方程变形得到一种新的产量递减模型，可简化为Arps指数递减形式，经实例计算，可以用来预测油田产量，以此指导油田开发和管理。

Based on theory of simple harmonic oscillation in physics, this paper presents a novel model for production decline prediction given by deformation of critical damping oscillation equation which is predigested to Arps exponential decline form.

基于物理学中的简谐振动原理，提出了把阻尼振动方程中的临界阻尼振动方程变形得到一种新的产量递减模型，可简化为Arps指数递减形式，经实例计算，可以用来预测油田产量，以此指导油田开发和管理。

Monitoring the urban development in order to assure sustainable cities in the future is an absolute necessity. Decision support in this domain needs some spatial information enabling to forecast the urban development trends.

为了保证城市可持续发展，有必要对城市的发展进行监控，但预测城市的发展趋势需要一些空间信息的支持。

Besides enhancing wood-floor, formaldehyde emission between big and small desiccator's method in another wood-based panels had remarkable line correlation.

除强化板外，不同人造板甲醛释放量的大、小干燥器测定法之间有着紧密的直线关系，可作为不同方法间的数据转换和预测依据。

The Gompertz model is derived based on differential equation of growth-type curve, in order to get a method for prediction of production rate, accumulative production rate, recoverable oil, peak annual production rate and corresponding time of solution gas in oilfield, and determine the valid applicable range in field.

基于增长类型曲线微分方程，对实用的Gompertz模型进行了推导，得出了预测油藏溶解气产量、累积产量、可采储量、最高年产量及其对应时间的方法，并在矿场应用分析基础上确定了该模型的有效适用范围。

This paper proposes a new differential equation for production declining rate ,which has different form from differential equation of J.

研究提出了一种新的产量递减率微分方程，这个方程与J J阿尔普斯的递减率微分方程在形式上是不同的，并由此推导出了一种油气藏可采储量预测方法。

The article first discusses the related concepts and basic method of data mining. The task of data mining is to find mode from database. The mode can be many , we can dispart two according to function: predictive mode and descriptive mode.

文章首先论述了数据挖掘的相关概念以及数据挖掘的基本方法，数据挖掘的任务是从数据集中发现模式，模式可以有很多种，按功能可分为两大类：预测型模式和描述型模式。

This method displays the whole process of the contact between drill stem and well wall, and gives contact points and contact forces. It provides a reliable and practical aidlifetime of the drill stem. The method presented in this paper may also be adapand extended reach well drilling.

为实钻时，防止钻柱磨损和对钻柱寿命的预测提供了依据，对钻柱的结构设计以及钻柱力学的研究具有一定指导意义，本方法适用性强也可应用于定向井、大位移井等同类问题的研究。

Finally, on Earth-space paths, by applying a modification of the Rytov method that incorporates spatial frequency filter function under strong fluctuation conditions, a tractable model is developed for the scintillation index of a Gaussian optical beam wave that is valid under moderate-to-strong irradiance fluctuations. The scintillation indexes for collimation Gaussian beam are predicted by this analytic model, based on ITU-R C〓 model.

最后，应用强起伏下引入空间滤波函数的修正Rytov方法，发展了一种易处理且可用于从弱到强起伏地－空路径的高斯波束光波闪烁指数模型；基于ITU-RC〓模型，预测了准直高斯波束的闪烁指数，其结果和理论分析结果相符。

Model is established directly on the basis of measured data through this method. It can avoid the mistakes due to factitiousness in traditional methods. It is proved that the prediction model is accurate and easy to operate,so the method has widely practical engineering value.

本方法利用实测资料直接建模，可避免传统方法计算过程中各种人为因素的干扰，所建立的模型预测精度高、简便易行，因而具有广泛的工程价值。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。