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Assuming a condition cont-rol reserve calculation,combimatively solve the material balance equation of gas recovery and binomial gas recovery equation for gas well,calculate the production curve of gas well and match it with the actual production curve,finally determine the reserve and productivity parameter,this method doesn't need much pressure build-up data,and can calculate the c...

该方法的推导思路是：假设在某一控制储量条件下，联立求解气藏物质平衡方程式和气井二项式采气方程，计算气井采气曲线并将其与实际的采气曲线相匹配，最后确定储量、产能参数。该方法不需要较长的多次关井复压资料，在气藏受水驱影响较小时，还可计算一口探井或气藏试采早期所反映出的气井控制储量，在气藏生产中得到应用，计算结果较为可靠

Intuition tells us that by following an optimal pattern which recognizes the difference in factor intensities of the two goods, we can end up on a production possibility curve that is bloated out beyond a constant-cost straight line: in short, on a production possibility curve that is convex, obeying the law of increasing marginal costs of one good as it is expanded at the expense of the other good.

直觉告诉我们，遵循一个最佳的牵式识别不同强度的因素，我们可以结束两种商品生产可能曲线上的突破了constant-cost臃肿直线：简而言之，在生产可能曲线，为凸、守法的边际成本的增加的一个好，因为它是扩大牺牲另一个好。

At present the camber process system is more advanced in china. We imported servo-drive equipment with digital control system , greatly improved our process precision, can produce multi-curve camber such as cosine curve. The process ability is up to 680mm in diameter and 10m in length.

该系统是目前国内较为先进的胶辊中高加工设备，采用进口数控系统和高精度的伺服驱动设备，使加工精度大大提高，可加工如余弦曲线等多种曲线中高，加工能力为直径680mm，长度10000mm。

The involute tooth curve and transition curve mathematical model of gear drive with few teeth number difference is set up.

计算机可视化动态模拟是近几年发展起来的一门新型学科。

Consider both feature about streams encipher and elliptic curve encipher , encryption process would divided into two steps to carry out , brings up a fresher Triaxiality CA Stream Encipher Algorithms Use Ellipse Curve Cipher Key, analysed some significance natures about the fusion algorithm, and performanced the fusion algorithm.

结合二者的特点，将加密过程分为两个阶段进行，提出了一种新的加密算法—用椭圆曲线加密密钥的三维CA流加密算法；分析了该算法的一些重要性质，对该算法进行了实现工作。

The biggest character of the traditional shoes is that the top of shoes bents up a little, which shows hook-like curve, this kind of show and the hanbok shows us the perfect curve.

与服装相呼应的便是朝鲜民族的传统鞋，其最大的特点便是鞋头向上弯起，呈勾状，这种弯起的鞋头正与韩服的袖子相呼应，演绎出完美的曲线。

Set up a child in a plane curve walk along this curve by the time parameter curve.

详细说明：设一个小孩在平面上沿着某曲线行走，此曲线由时间参数曲线确定。

Set up a child in a plane curve walk along this curve by the time parameter curve....

设一个小孩在平面上沿着某曲线行走，此曲线由时间参数曲线确定。

In consideration of the chain grate stoker with steam capacity of 20t/h,based on experimental testing data,a fast modeling with step input,was set up by calculating transfer function on step response curve,gets model parameters on "two-point method" on the first,and then modifies those parameters with "curve fitting method" through MATLAB/SIMULINK software,proves that the combination of "two-point method" and curve fitting mothod...

对阶跃响应曲线先采用&两点法&得出模型参数，再采用&曲线拟合法&对模型参数进行修正，从而实现系统动态特性建模。着重讨论了针对阶跃响应曲线，在&两点法&建模的基础上，进一步采用在MATLAB/SIMULINK软件环境下&曲线拟合法&对模型进行修正，发现&两点法&与&曲线拟合法&相结合的方法可以更准确地对系统进行建模。此方法可为锅炉燃烧优化设计、热力系统仿真研究提供热工对象理论模型，也可用于控制系统调试时控制参数的预选择。

So the model is improved after the optimization which is based on the optimization and design module of ADAMS, and then the the rising-up simulate curve of the dry dock gate is close in upon rising-up experimental curve .

应用ADAMS软件建立了干船坞坞门的参数化仿真模型，并利用该模型对坞门的运动学和动力学进行了仿真，在此基础上应用ADAMS优化分析模块优化了固定浮舱容积和操作浮舱容积等参数，改进了原有模型，使其仿真曲线更接近实验曲线。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。