At present prevention function of B vitamins group for PD is still not very clear.
目前对B族维生素对帕金森症预防作用尚不是很清楚。
The utility model relates to insect prevention device, especially a window screen with insect prevention function.
本实用新型涉及昆虫防护作用装置，特别是一种具有昆虫防护作用的纱窗。
The technical scheme of the present invention is easily operated, which not only has the forest fire prevention function, but also has economic benefit.
本方面所采取的技术方案操作简便，既有森林防火作用，又有经济效益。
The gardening elements of the urban park for earthquake resistance and hazardous reduction is the foundation of the urban park and have a heavy influence on its disaster prevention function.
城市避震减灾公园园林要素因地制宜、合理有效的规划设计对公园避难防灾功能的发挥有重要影响，也是公园发挥平灾功能的基础。
The gardening elements of the urban park for earthquake resistance and hazardous reduction is the foundation of the urban park and have a heavy influence on its disaster prevention function.
城市避震减灾公园园林要素因地制宜、合理有效的规划设计对公园避难防灾功能的发挥有重要影响，也是公园发挥平灾功能的基础。
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