通过分布的数百根生物锥，对头部进行针灸，增加脑部血氧置换功能，消除头部疼痛，促进头部健康。
Through the distribution of hundreds of biomass root cones to acupuncture on the head to increase the oxygen exchange function of the brain, eliminate head pain and improve head health.
导出奥利康和克林根贝尔格锥齿轮铣齿机差速挂轮比和分齿挂轮比计算通式；
In this paper calculation formulas of differential change gear raito and index change gear raito for Oerlikon and Klingelnerg bevel gear generating machines are derived.
目的评价内锥及外锥形椎弓根螺钉固定的生物力学特点。
Objective To evaluate two types of pedicle screw fixation strength.
紫锥菊提取物一般由草药的根或全株制成。
An Echinacea extract is usually made from the root or the whole plant of the herb.
本实用新型可预警的椎弓根螺锥，涉及一种外科手术器具。
The utility model provides an early-warning vertebra bow base screw wimble, which relates to a surgery device.
本实用新型可预警的椎弓根螺锥，涉及一种外科手术器具。
The utility model provides an early-warning vertebra bow base screw wimble, which relates to a surgery device.
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