Conclusion. Patients with NSLBP treated with the novel biomechanical device for 3 months increased walking speed through longer step length and eliminated asymmetrical differences.
结论：非特异性腰痛患者以新型生物力学设备治疗3个月，通过步幅加大及减少不对称性而提高了步行速度。
The different rail curve asymmetrical grinding was introduced for high-speed and heavy-haul rail.
阐述了高速与重载铁路钢轨不同曲线轨头非对称打磨技术的原理及应用。
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