Objective:Traction under the observation point of view, to apply a different time traction and traction weight of the treatment of nerve root type of cervical spondylosis, and observe its effect.
目的观察角度牵引下应用不同的牵引时间及牵引重量治疗神经根型颈椎病，并观察其疗效。
The common methods to evaluate alloy's anti-tarnishing capability include mainly naked eye observation, weighing weight, microcosmic analysis of corrosion film and spectrophotometer.
常用的评价合金材料抗变色性能的方法主要有肉眼观察法、称重法、腐蚀膜显微分析法和分光光度计法。
On the 4th week after successfully modeling, the characterization observation was carried out in rats including the changes of hair and eyes, average food intake and body weight.
模型复制成功后，于第4周进行表征观察包括动态观察大鼠毛发、眼部变化，平均进食量及大鼠体重；
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