Objective To study the clinical feasibility of the percutaneous sclerosis treatment for limb and maxillofacial region low flux vascular malformations.
目的探讨经皮穿刺硬化治疗肢体及颌面部低流量血管畸形的可行性和临床疗效。
It features in low torque ripple, low flux ripple and fixed switching frequency.
它具有开关频率恒定，转矩和磁链波动小等特点。
The net water vapor flux is positive always, but its content is low about 21.88% than average state in dry year, and is high about 53.99% in wet year.
无论旱涝年，青海高原空中净水汽通量均呈正值，但旱年比平均状况偏少21.88%，涝年偏多53.99%。
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