The fourth is overlapping degree, lubricous degree, symmetry and unsymmetry of knee and ankle joint track.

其四是膝、踝关节中心轨迹的重叠程度、光滑程度、对称性与非对称性。

Tire structure unsymmetry results in conicity and ply-steering, and has significant influence on tire mechanical behavior.

轮胎因其结构不对称性导致的胎体锥度及帘布层转向效应，显著影响轮胎的力学特性。

This paper mainly deals with the features and physical significance of the unsymmetry of Maxwell's speed distribution curve.

本文讨论了麦克斯韦速率分布曲线的不对称性特性及其物理意义。

Objective:To discuss the cause and treatment of lumbar intervertebral disc herniation inducing leg unsymmetry radicular pain.

目的：探讨腰椎间盘突出症导致非对称性下肢放射痛的原因及治疗。

In the developing course, the main technique measures are: improving the trigger circuit of thyristors to eliminate the unsymmetry of the trigger pulse phase;

在研制过程中采取的主要技术措施是：改进晶闸管触发电路，消除了触发脉冲相位的不对称；采用霍尔元件作为电流检测元件，能检测出变压器的实际电流值；