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 leadprotection.
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。
2
"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。”
3
Flash is still very much in the lead in many other areas, such as streaming, handling different bandwidth capabilities, video capture, and content protection.