查询词典 centroidal

In order to improve the measuring accuracy and efficiency, a high accuracy inspecting system for measuring the centroid and centroidal deviation of bullets based on three point method is designed. The working principle, relevant calculation formulae and the measuring equipment for measuring the centroid and centroidal deviation of bullets are presented, and the main factors affecting measuring precision are discussed. Then, a multiple measuring platform with automatic leveling and column structure autorotation of 90° is put forward.

为了提高其测量精度和效率，设计了基于三点法的高精度弹丸质偏心测量系统，介绍了测量原理、计算公式和测量设备，分析了测量误差产生的因素，提出了一种多测试平台和自动调平以及弹体自动旋转90°的设计思想。

If the centroidal axis is not colinear with the element x-axis, applied

如果质心和剪切中心不是重合的，施加的剪切

Based on the principle of compound pendulum ,the measurement method and corresponding equipment for the centroidal deviation and the rotary inertia of rocket projectile were described.

基于复摆原理，阐述了箭弹的质偏和转动惯量的测量方法及装置，推导出了质偏和转动惯量的计算公式。

The method can be used in all kinds of domains since it calculates the global minimum of a constrained multi-extrema function to get high-quality centroidal Voronoi tessellations for the region.

该算法结合k-means方法和模拟退火算法求解约束条件下的多峰值函数全局最小值，在待求计算域内和边界自动生成无网格计算节点，且节点为计算域对应质心Voronoi结构的质心点。

In this talk, we discuss an edge-weighted centroidal Voronoi Tessellation model for image segmentation and some efficient algorithms for its construction.

在本报告中，我们将讨论一种边缘加权的重心Voronio网格化模型，用于图像分割。

D1.1 of the AISI Specification limits the maximum longitudinal spacing of connections to ... where smax = maximum permissible longitudinal spacing of connectors L= unbraced length of compression member rI = radius of gyration of I-section about the axis perpendicular to the direction in which buckling would occur for the given conditions of end support and intermediate bracing rcy = radius of gyration of one C-section about its centroidal axis parallel to the web.....

因此，AISI规范第D1.1节限定连接的最大纵向间隙为：，式中 smax =连接体允许的最大纵向间隙 L=抗压构件的自由长度 rI =工字钢对垂直于给定端承和中间肋条件下可能产生纵向弯曲方向的轴的回转半径 rcy =一段U型钢对其平行于筋的质心轴的回转半径。。。。。。。

The principle, measuring method, structure and parameters of the device are given and the centroidal calculating formula of elliptical spot is derived.

给出了测试的基本原理、测试方法、测试装置的结构以及元件参数设计，并推导了椭圆光斑时光斑质心定位算法。

The centroid and centroidal deviation of bullets are important design parameters of bullets.

弹丸质偏心是弹丸性能的重要设计参数。

It can be used to measure different kinds of the ammunition parameters,such as the center of mass,the centroidal deviation,the moment of inertia,the product of inertia,the dynamic unbalance and etc.

可以用来测量质心位置、质偏、转动惯量、惯性积、动不平衡度等多种参数，同时推导了相应的计算公式，并利用样机进行了实际测量，测量结果表明该方法是有效和可行的，且具有快速、高效、高精度等特点。

The given experimental results indicate that the measuring precision of the centroid and the centroidal deviation is no more than 0.1 mm and 0.01 mm respectively, which satisfies the qualification needs for high accuracy measuring the centroid and centroidal deviation of bullets.

给出的试验结果表明，质心测量精度≤0.1 mm，偏心测量精度≤0.01 mm，同时满足弹丸高精度质偏心的测量需求。

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％。