Conclusions Although lead poisoning rate of the children was low in Hefei, health education for lead prevention should be strengthened in order to improve public awareness on lead protection.
结论合肥市儿童铅中毒发生率较低。但仍需要加强铅防护工作的宣传教育，提高群众的自我保护意识。
"Rich countries have to lead - by reducing agricultural protection, by cutting high manufacturing tariffs, and by expanding access to affordable medicines," says Stern.
斯特恩说：“发达国家必须带头，减少农产品保护，降低工业品的高关税，扩大价格适当的药品的准入。”
Flash is still very much in the lead in many other areas, such as streaming, handling different bandwidth capabilities, video capture, and content protection.
Flash在其他领域仍然处于领先地位，比如流媒体、处理不同带宽的功能、视频采集和内容保护。
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