Nervus mixtus

例句：

1. 1. The neurasthenia is a condition that affects the nervous system.
   神经衰弱是一种影响神经系统的状况。
2. 2. The patient was diagnosed with a mixed neurological disorder.
   患者被诊断出患有混合神经系统疾病。
3. 3. The research team discovered a new treatment for a rare mixed neurological condition.
   研究团队发现了一种新的治疗罕见混合神经系统疾病的新方法。