n. backpitch
misc. inverted spin
... inverted speech ==> 频率倒置的语言,倒语言,倒置语言 inverted spin ==> 反螺旋 inverted stereo ==> 反立体 ...
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In the second part,the paper focuses on the new mobility principel and the Modified G-K Criterion,based on reciprocal screw proposed by Huang and his students. It introduces the research process and characteristic of the method.
接着,文章着重介绍黄真和他的学生提出的新的基于反螺旋理论的自由度原理和修正的G-K公式,介绍他们在自由度问题上的研究过程、方法和特点。
参考来源 - 150年机构自由度的通用公式问题·2,447,543篇论文数据，部分数据来源于NoteExpress
首先，用反螺旋理论分析了在初始位置和发生位移后该机构的运动特性。
Firstly, the kinematical characteristics of this mechanism in its initial position and in the position after a translation happened were analyzed by reciprocal screw theory.
首先用反螺旋分析了3 -RRRRR并联机构在初始位置下和在一般情况下的瞬时运动特性。
Firstly, utilizing the reverse screw, the characteristics of instantaneous motion of 3-RRRRR parallel mechanisms under its initial position and under the general condition were analyzed.
提出一种基于螺旋系线性相关性和约束反螺旋概念的空间并联机器人输入原动件选取合理性的判别方法。
Based on the concepts of reciprocal screws and their linear correlativity, a detecting method of input interference in a spatial parallel manipulator is presented.
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