point mass

Although the point mass method has the simplest computing structure , it has a great working load which isn 't fit for real time computation .

扰动引力的点质量表达方法使得扰动引力的计算模式具有最为简单的结构，但它本身也具有计算量大的缺点，与实时计算的目标相矛盾。

This paper sums up disturbance gravitational computation methods ( Bjerhammar , suppositional point mass , suppositional single layer density ) by using operator operational method .

利用算子运算的方法，对求定外空扰动引力的Bjerhammar方法、虚拟点质量方法以及虚拟单层密度方法进行了系统地归纳；

Now , that is only for a point mass .

那只是对于一个质点而言的。

If you are going to push that object that would be really where the equivalent point mass would lie .

给物体一个推力，就等价于推力作用在重心的情况。

A point mass equation is adopted . The aerodynamic coefficients are calculated via a muti-layer neural network .

采用质点运动方程，以多层神经网络完成气动系数拟合。

The problem of interception of missile target is studied , which based on nonlinear equations of motion of point mass aircraft .

以质点飞行器的非线性运动方程为基础，研究了导弹拦截目标问题。

Galaxies are essentially assumed to be a point mass in the study of the former part and it is dealt with the internal structure in the latter study .

前者的研究把星系基本上视为一质点，而星系形成研究涉及到其内部结构。

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。

The other is sequential Monte Carlo method based on point mass , which is called particle filter ( PF ) . It is an efficient method dealing with nonlinear / non-Gaussian problems .

另一种是序列蒙特卡罗算法，亦即粒子滤波器（PF），它是最近出现的解决非线性问题的有效算法。

A Study of Three Point Add Mass Method for Single Plane Field Balance

单面现场动平衡解析三点加重法试验研究

Network News : New Increase Point of Mass Media

网络新闻：大众传媒新的增长点

Three point add mass method for single plane field balance was given in this paper .

提出了一种用于单面现场动平衡的解析三点加重法。

This marks precisely to within a few thousand years the point of mass extinction on the land .

这明确标志着正是在这几千年中，发生了陆地上的大规模灭绝。

Doing everything for the masses is the basic point of mass line . It is the biggest difference between the party of the proletariat and the other political parties .

一切为了群众是党的群众路线的基本出发点，是无产阶级政党与其他一切政党的根本区别。

To solve the problem of the dynamic supply chain optimization scheduling after customer order decoupling point in mass customization , an optimization scheduling model including supplier selection and inter-enterprise scheduling was proposed . Then an ant colony algorithm based solution was designed .

为解决大规模定制模式下客户订单分离点后的动态供应链调度问题，提出了包括供应商选择及企业合作时序安排的优化调度模型，设计了基于蚁群算法的求解过程。

As the most photographed and filmed woman in history and the longest reigning monarch , the Queen has been a focal point for mass communication as it has evolved , from its early days with the first colour photographs and newsreels , to the arrival of television and the internet .

作为历史上曝光率和瞩目率最高女性以及在位时间最长的君王，女王自大众媒体发展以来一直是其焦点，从最初最早的彩色照片与新闻影片时期，到之后电视和网络的出现。

Two-dimension model of customer order decoupling point position in mass customization

大批量定制中客户订单解耦点定位的2维模型

This paper comprehensively studies the influence of the gas velocity , temperature and feeding point on the mass transfer coefficient .

系统地研究了气体线速度、温度等对疏水催化剂传质系数的影响。

The white crystal was preliminarily determined as swainsonine by TLC , melting point measurement and mass spectrum .

经TLC（薄层色谱）检查、熔点测定和质谱分析可确定该白色针状结晶为苦马豆素。

The fracture of martensite transformed by austenite was the main form of mass loss . TIG surface remelting process put off the transformation-saturated point and decreased mass loss .

相变产生的马氏体的剥落是堆焊材料质量损失的主要形式，而TIG表面重熔工艺延迟了奥氏体到马氏体的相变，降低了质量损失；

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。

However , with the performance figures give priority to with graphic works toward diversified the direction of development , no matter which kind of graphic works seem to using the characters in the selling point of the mass audience eye .

然而随着以表现人物为主的平面作品向着多元化的方向发展，无论哪种平面作品似乎都在利用人物作为吸引大众目光的卖点。

Nearby region at bifurcation point of rock mass slope is derived ; the stability criteria of side slope relating to equilibrium path of post-buckling , equilibrium configuration of bifurcation point and post-buckling are established in the form of general side slope .

给出了边坡岩体分叉点附近的邻域，建立了一般情形下边坡岩体分叉点的平衡构形判据，以及后屈曲平衡路径和后屈曲平衡构形的稳点性准则。

Intercept point size and body mass index , neck circumference-negative correlation , but smaller correlation coefficient .

阻塞点截面积与体重指数、颈围呈负相关性（P0.05），但相关性系数较小。

This theory which only uses two point element stiff and mass matrix describes the working conditions accurately in designing the wedge shaped beam columns .

采用这一模型在设计计算门式钢刚架时对变截面楔形梁柱仅需采用一个两节点的单元和质量矩阵就可精确描述其工作特性。

Since the citizens ' contract spirits has closely connected with modern rule of law , it should become a key point for establishing a mass basis for modern rule of law .

由于民众的契约精神与现代法治有着深刻的关联，它应成为我们构建现代法治民众基础的关键所在。

Meanwhile , the structure of 3 - ( 2 ' - carboxyethyl ) benzo [ b ] thiophene was confirmed by testing melt point , NMR , Mass Spectrometry and elementary analysis .

并经熔点测定，1H-NMR、13C-NMR、质谱及元素分析，表征其合成得到的3（2′羧乙基）苯并噻吩的结构。

Creativity of producing circulation is key point in carrying out mass customization , and textile enterprise should carry out progressively computer auxiliary design product synergistic design , computer auxiliary making virtual making , demand integration supply chain management .

实施大规模定制生产，制造流程创新是关键，纺织企业应逐步开展计算机辅助设计和产品协同设计、计算机辅助制造和虚拟制造、需求集成以及供应链管理，其中信息化建设是基础。

The best cut point of body weight mass measure index ( BMI ), waist and hip rate ( WHR ) and waist circumference is 23 kg / m2, 0.86 and 87 cm , respectively .

体重指数（BMI），腰臀比（WHR），腰围（W）最佳切割点分别为23kg/m2、0.86、87cm。

Point out that the mass specific resistance is high , reach 2.14 × 10 10 Ω· g / cm 2 , it is easy to produce electrostatic phenomenon during the spinning process , so antistatic must be added to pretreated soybean protein fiber .

指出：大豆蛋白纤维的质量比电阻较大，达2.14×1010Ω·g/cm2，纺纱过程中易产生静电现象，必须加抗静电剂进行预处理；