point mass的例句大全

newton's law of motion as applied to the point mass is the well-known vector equation: f=ma.

牛顿运动定律应用于质点时就得到这样一个著名的向量方程式：

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the compliant surface (the springboard) is modeled by a rigid bar with a rotational spring on the hinged end and point mass on the tip.

弹性表面（跳板）由板端为等效质点，另一端为转动式弹簧之刚体所模拟。

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now, that is only for a point mass.

那只是对于一个质点而言的。

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the center of mass of a system is defined as follows: i have here some kind of an object not just a point mass, but it has a finite size.

系统的重心，是这样定义的：，我有一个物体，不是有棱角的物体，但它大小有限。

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establishment of the combined point mass model considering spectrum characteristic

顾及频谱特性组合点质量模型的建立

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Stablization of the deformable soil mass in a hydroelectric station is taken as an example to illustrate the successful application of light well point system for slide prevention.

以某水电站右出口明渠土质变形体为例，介绍应用轻型井点降水措施与其它配套措施一起实施，在其抗滑治理中取得成功，可为其它类似工程提供借鉴。

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This model indicates that there are three possible types of equilibrium point in the phase space during the evolution of the rock mass system, i.e., spiral point and improper point and saddle point.

Ruina单变量摩擦定律基础上建立的岩体系统分岔模型，分析了在实践中遇到的问题，结果表明边坡岩体系统在演化过程中会出现三个奇点类型，即焦点、结点及鞍点。

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The method of energy-state is used to simplify the dimension of the traditional point-mass motion model, and the theory of optimal control is used for the trajectory optimization. The global optimization has been achieved with a genetic algorithm program in Matlab.

用能量状态概念简化飞机运动模型，应用最优控制理论进行飞机飞行性能的优化，使用遗传算法进行全局寻优，继而生成最优节油飞行轨迹，并通过Matlab程序进行仿真。

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Postponement of product differentiation point is a key subject in mass customization.

产品区分点的延迟问题是大规模定制生产方式中的一个关键问题。

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Center of mass below the suspension point.

重心在悬挂点下面。

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From the junior high school point of view, they are used to the formation of the outside world by many factors, for example, family, school, peer groups, mass media, these four factors.

从初中生角度来看，习惯的形成受到诸多外界因素的影响，如家庭、学校、同伴群体、大众传媒等因素。

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Conclusion The superior lateral quadrant was the safe area of the cervical lateral mass screw. The safe exit point was the juncture between the transverse process and the facet.

结论颈椎侧块外上象限是螺钉植入的安全区，横突与关节突相交处是安全的出钉点。

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ChengDu engine group company establish "exaltation qualified rate, reduce mass defect" technique tackle key problems item in 2003, and that topic was listed as one of the five greatest point offend pass items of the company in 2003.

成都发动机集团公司于2003年设立提高精铸件合格率，降低质量损失技术攻关项目，并且该课题被列为集团公司2003年五大重点攻关项目之一。

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Among its challenges, cyclic cosmology still needs to explain the vast shift of scale between aeons, as well as why it requires all particles to lose their mass at some point in the future.

比如，循环宇宙模型必须解释在不同的“世代”之间变化时如何实现如此巨大时空尺度的变化，以及为何这一模型要求所有粒子在未来的某一时刻失去其质量。

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The design methods are introduced for the mass concrete basement, protection of concrete in the saline-alkali soil, aseismic measure, overbridge, point-supporting glass curtain wall.

介绍了结构设计中的大体积地下室设计、盐碱地混凝土防护设计、抗震设计、天桥设计和大型点式幕墙设计。

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according to the monitored data of an open-pit slope displacement, this paper gives a prediction method which can indicates the unsteady rock mass in slope by means of sharp point model of abrupt change in the catastrophe theory.

本文应用突变理论中的尖点突变模型，根据边坡移动的历史数据，预测处于非稳定状态下的边坡岩体。

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The Simulation of Mass Point Lengthways Trajectory Based MATLAB/ Simulink

基于MATLAB/Simulink的纵向质点外弹道仿真

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The mass loss rates and sound point positions. for an adiabatic expanding process from Mira variables

Mira变星的绝热膨胀过程的质量损失率和声点半径

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To choose personal factor of media, we can unfasten the sticking point of puzzling mass media, and sticking out the core spirit that makes human as fundamentality of Confucius culture.

选取媒介中人的因素，则能够解开困扰大众传媒问题的症结，并彰显儒家文化中以人为本的核心理念。

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Thirdly, the trajectory model of the mass point is built and a wavy trajectory is designed& optimized;

第三部分，建立了导弹质点弹道模型，设计了一条跳跃式弹道，并对跳跃式弹道进行了优化设计；

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