Nurses were lack of the cognition to radiation ionization injury, protection of external exposure injury, more nurses with sharp puncture wounded.
护士对辐射电离危害、辐射外照射防护等的认知不足，有锐器刺伤经历的护士较多。
The invention improves puncture voltage characteristic of the semiconductor device, in addition, collision ionization in the semiconductor device can be avoided.
本发明改善了半导体器件的击穿电压特性，此外，在本发明的半导体器件中可以避免碰撞电离现象的发生。
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