查询词典 centroid

In order to provide references for the ground separation tests and the separation system design, characteristics of the constrained and centroid biased on-orbit satellite separation were analyzed in inertial reference frame.

为了给分离地面试验和分离系统设计提供依据，在惯性参考系中分析了筒式偏心在轨分离问题的运动特性。

The number of intersection points of l : ax + by + c = 0 and the centroid curve L :{(x|ˉ,| h ∈∑} gives the number of zeros of I.

在第四章中，考虑到系统在二次多项式扰动下的几何意义：若I=∫ integral from n=intrdxdy，那么直线l：ax+by+c=0与质心曲线L∶{

The discrete least- squares approximation method is proposed to determine the edge of the die first, then to estimate its centroid after the image processing.

而本影像识别之方法采用离散最小平方法逼近 discrete least-squares approximation 晶粒边缘，用以求得晶粒形心与摆向方位角度。

The experiment results indicate that if one or two quadrants are irradiated by laser, the meterage error of faula centroid is reduced.

实验结果表明激光辐照四象限光电探测器中的一个或几个，可造成光电探测器对光斑质心测量的误差。

Each edge having a centroid separated from each other along the minor axis Y.

每个边缘具有沿着短轴线Y相互分离的质心。

This paper introduces a new way of describing the mufti－body system,and set up a new dynamics method of multibody system,which takes the centroid acceleration and angle acceleration of rigid bodies as the variables to be solved.

本文从一个新的角度描述多体系统，建立了一种以刚体质心加速度和刚体角加速度为待解变量、以铰间广义坐标为积分变量的多体系统动力学方法。

In SVRT model polyatomic molecule whose spacial locomotion can be accurately treated as a regular non-symmetry rotor is dealt with as two different rigid segments which both can vibrate one-dimensionly through the line of their centroid.

因此，探索和发展多原子分子化学反应的理论模型和计算方法是非常有必要的，为此，人们提出了一些处理多原子体系反应的理论模型和约化维数的计算方法。

The method uses techniques such as document space transforming and principal component analysis to map original document vector in very-high-dimension term space to low-dimension principal component space, and then categorizes documents by comparing them to the centroid of each category.

该方法采用了文档空间变换和主成分分析技术，将文档的原始矢量表示从高维词条空间映射到低维主成分空间，并利用文档类别重心进行分类。

Assuming R be a semiprime ring with extended centroid C and Q be the maximal right quotient ring of R, f be a noncentral multilinear polynomial over C.d and δ are derivations of R.

给出了，假设R是带有扩张形心的半素环，Q 为R的极大右商环，f是R的扩张形心C上的非中心值的多线性多项式。

Eight hierarchical clustering methods including single linkage method, complete linkage method, median linkage method, centroid method, unweighted pair-group average method, Wards method, flexible-beta method and weighted pair-group average method were combined with three sampling strategies, random, preferred and deviation sampling to develop 24-core collections.

川最短距离法、最长距离法、中间距离法、重心法、不加权类平均法、离差平方和法、可变法和加权配对算术平均法等8种系统聚类方法，结合随机取样法、优先取样法和变异度取样法等3种取样方法，发展了24个水稻核心种质库。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。