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Anxiety is for the center, the anxiety symptoms of acute onset form sustaining state, or chronic and by the plant nerve dysfunction is the characteristic of a kind of nerve function disorder.

焦虑症是以焦虑为中心症状，呈急性发作形式或慢性持续状态，并伴有植物神经功能紊乱为特征的一种神经官能症。

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Results. Onset of trunk extensor muscles was significantly delayed in participants with chronic LBP compared with control subjects.

结果：慢性腰背痛患者躯干伸肌在运动初始显著延迟于对照组。

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For the survivors, decades of coping with stunted, twisted or missing limbs has meant greater wear and tear on remaining joints and muscles, and virtually guaranteed the premature onset of arthritis and chronic pain.

BBC: What's happened to Thalidomide babies?