parallelogram illusion

Extending of parallelogram mechanism and its application;

平行四边形机构的拓展及其应用

Formulation of C_1 Conforming Parallelogram Thin Plate Element;

C_1阶协调平行四边形薄板单元的构造

This paper has put forward three sections of parallelogram、erect traperzium and hollow rectangle,in order to resolve this problem.

冲天炉炉胆径向胀裂问题,也是一道颇有难度的课题,本文提出:用平行四边形、竖立的梯形和微凹矩形三种炉壁断面作为防止措施。

The accurate analytical-type solutions are obtained by Fourier series for the free vibration, the buckling and the bending of anisotropic skew plates with free edges subjected to uniformly distributed in-plane normal and shear forces.

得到了有自由边的各向异性平行四边形板在面内张力和剪力作用下自由振动、屈曲和弯曲问题的精确解析解。

A comprehensive study of free vibration, buckling and bending of anisotropic simply-supported skew plates subjected to in-plane normal and shear forces is conducted.

对简支各向异性平行四边形板在面内张力和剪力作用下自由振动、屈曲和弯曲问题作了全面的研究。

The accurate analytical solutions are obtained for the free vibration,buckling and bending of anisotropic skew plates with various boundary conditions resting on elastic bases.

给出了弹性地基上四边支承的各向异性平行四边形板在面内张力和剪力作用下自由振动、屈曲和弯曲问题的精确的解析解。

Dynamics modeling of low-speed maglev train and analysis of the parallelogram mechanism

低速磁浮车动力学建模及平行四边形机构分析

The principle of the detecting system with parallelogram mechanism is presented,and the detecting results of scrape wheel are achieved through test and data processing.

简述了检测车轮踏面擦伤状态的重要性、擦伤定义及标准,介绍了平行四边形机构检测系统的检测原理,并通过试验和相关数据处理得到擦伤车轮检测结果,最后用MATLAB编写算法实现擦伤信号的判定且进行了算法的误差分析。

The parallelogram mechanism can move flexibly when the two teams of substance are the same respectively.

平行四边形机构的两组对边分别相等,以保证机构不别劲,运动灵活。

parallelogram illusion

平行四边形错觉 平行四边形错觉

A quadrilateral having no parallel sides.

没有平行边的四边形

double link jib in parallelogram

平行四边形组合臂架

fundamental period parallelogram

原始周期平行四边形

parallel motion linkage

平行四边形悬挂装置

primitive period parallelogram

基本周期平行四边形

primitive parallelogram of period

周期的原始平行四边形

a parallelogram with four equal sides; an oblique-angled equilateral parallelogram.

四个边相等的平行四边形；不是直角的等边平行四边形。

A quadrilateral having two parallel sides.

梯形一个有两条平行边的四边形

A trapezoid is a quadrilateral with two parallel sides.

梯形是具有两平行边的四边形。

A four-sided plane figure with opposite sides parallel.

平行四边形一种有四条边且每两条边对应平行的平面图形

A Algorithm for Vision Location Based on Plane Quadrangle

一种基于平面四边形的视觉定位算法

(in US) a quadrilateral with no parallel sides.

（在美国）没有平行边的四边形。

(in US) a quadrilateral with two parallel sides.

（在美国）有两个平行边的四边形。

a quadrilateral whose opposite sides are both parallel and equal in length.

相对的边平行且长度相等的四边形。

a parallelogram with four right angles.

有四个直角的平行四边形。

parallelogram rule for addition of vectors

向量加法之平行四边形法则

A plane figure with four sides and four angles.

四边形有四个边和四个角的平面图形