The upper body of humanoid robot includes four main parts: the waist, the hea.
类人机器人上肢体主要包括腰部、头部、手臂(包括手指)三大块,自由度数远超出下肢,因此其运动学和动力学问题也极为复杂。
Method of camera self-calibration based on isosceles trapezoid;
一种基于等腰梯形的摄像机自标定方法
In this paper,we take advantage of the method of David Calvis to proof that the inner radias of univalence of isosceles trapezoidwhose sides sequence is aaab and the minimun angle is kπ(where b=a+2acos kπ,0≤k≤1/3) to be 2k2.
利用David Calvis方法研究等腰梯形的单叶性内径,证明了边序列为aaab最小角为kπ(其中b=a+2acoskπ,0≤k≤1/3)的等腰梯形P的单叶性内径为2k2。
A lumbar artery, nerve, vertebra, or part.
腰动脉，腰神经，腰脊椎，或腰部
The part of a garment that encircles the waist of the body.
腰身部位衣服上环绕人体腰部的部位
Narrow part of a garment that fits at or just above or below the waist
衣服腰部（或近腰处）狭窄的部分
part of a dress above the waist.
腰部以上的衣服部分。
A line thought of as encircling the body at the waist.
腰线假设围住身体腰部的线
A strip of cloth worn around the loins.
缠腰布绕在腰部周围的一块布
This dress is shaped at the waist and doesn't need a belt.
这件连衣裙腰部合身，不需要腰带。
The waist now contains both darts(Figure 14-13).
图14-13示出腰部的两个
She caught the dress in at the waist.
她把女衫的腰部收紧些。
It feels a little tight around the waist .
我觉得腰部有些紧。
a long skirt gathered at the waist.
在腰部收束的一种长裙。
Her hair comes down to her waist.
她的头发垂到腰部.
a skirt whose fabric is drawn together around the waist.
腰部收束起来的裙子。
A chain was tied about his waist.
一条铁链捆在腰部，
The jacket is shaped at the waist.
这件外衣腰部很贴身.
a Belt encircling her waist;
围在她腰部的皮带;
Her long hair falls to her waist.
她的长发垂到腰部。
