支撑腿的另一侧腿屈膝90度。现将屈腿伸直，将对侧腿抬起，抬止髋的高度，保持单腿在做抬腿时的平衡。
Now straighten the leg, driving up with the opposite knee to hip height, so that you are balancing on one foot on the step.
你要拿起洗发水，手臂向上伸直，紧贴耳朵，然后只要将手肘向后弯曲90度，再将手肘伸直。
So you want to take your shampoo, hold your arm straight up, keep your arm right next to your ear, and then simply bend your elbow to ninety degree, and then lift it back up.
在普纱系统中提高纤维伸直度的关键工序是并条工序。
Thekey process improving fibre straightness is drawing process in carding system, however, in combing system, is combing process.
提高半制品条干均匀度和纤维伸直度，对改善成纱质量效果显著。
The enhancing of semi-finished goods evenness and fiber straightness has significant effect to improve yarn quality.
指出苎麻纱的一些疵点和平行伸直度差的纤维是形成毛羽较重要的原因。
The results show that the faults of ramie yarn and un-parallel-straightness of its fibre are major factor causing hairiness.
手肘伸直与手肘弯曲呈90度的状态各做一组。
Perform one set with elbow straight and one set with elbow bent at 90 degrees.
探讨了梳棉机弯钩形成的机理，提出了测定纤维伸直度的方法，并对影响伸直度的因素进行了讨论。
Furthermore, a method to test the fiber straightness is proposed, and some factors affecting the straightness are also discussed.
探讨了梳棉机弯钩形成的机理，提出了测定纤维伸直度的方法，并对影响伸直度的因素进行了讨论。
Furthermore, a method to test the fiber straightness is proposed, and some factors affecting the straightness are also discussed.
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