目前，不能解释艾滋病毒传播率较高的原因。
At present there is no explanation for this higher rate of transmission of HIV.
全世界正按计划扭转这一通过空气传播的致命疾病的传播率。
The world is on track to reverse the spread of this airborne killer.
经杀虫剂处理的蚊帐可防范传播并提高儿童存活率。
Insecticide-treated nets prevent transmission and increase child survival.
研究表明，不同的传播介质对系统分辨率的影响不尽相同。
The results show that characteristics of the system resolution are different for various mediums.
结果关于乙肝传播途径及乙肝预防措施的认识调查后知晓率提高1。6%-17。5%。
Result: Correctness is increased by 1.6%-17.5% after realizing route of transmission and how to prevent it.
结果关于乙肝传播途径及乙肝预防措施的认识调查后知晓率提高1。6%-17。5%。
Result: Correctness is increased by 1.6%-17.5% after realizing route of transmission and how to prevent it.
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