parallelogram identity

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。

This algorithm can be practical to the bigger scale computation,because it uses the quadrangle inequality to reduce not only shift numbers in all stages of dynamic programming process but also the complexity of time order in the whole.

以动态规划方法解决货物归并问题为例,阐述如何进行动态规划算法的分析设计,并在此基础上利用四边形不等式,减少动态规划过程中每一阶段的状态转移数,从而整体上降低动态规划的时间复杂度,使其能够适用于更大规模计算。

parallelogram illusion

平行四边形错觉 平行四边形错觉

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 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 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 parallelogram with adjacent sides of unequal lengths; an oblique-angled parallelogram with only the opposite sides equal.

相邻的边长度不相等的平行四边形；只有相对的边长度相等的非直角平行四边形。

a parallelepiped bounded by six similar faces (either rhombuses or parallelograms).

有六个面的平行四面体（或是棱形的或是平行四边形的）。

a prismatoid whose bases are polygons having the same number of sides and whose other faces are trapezoids or parallelograms.

每个底部是边数相同的多面形且其它面是不等边四边形或平行四边形的旁面三角台。

crossed parallelogram

平行四边形电流换向器方向转动的曲柄

Analysis of Synchronous Welding Positioner Based on Ogram Mechanism;

基于平行四边形机构的同步式变位焊接机分析

A Mathematical Model for the Parallelogram Method in Ratemaking;

费率厘定平行四边形方法的数学模型(英文)

Amelioration about the Demonstrator of Force Parallelogram Formula;

关于力的平行四边形定则演示仪的改进

Research on Dynamic Design for High Performance Parallelogram Manipulator

高性能平行四边形机械手动态设计方法研究