Conclusion smoking intervention activities in Beijing worked effectively, but communication on the knowledge of harm in smoking still need to be improved, especially to the adolescents and smokers.

结论北京市吸烟干预工作取得一定效果，但吸烟危害健康知识传播尚有待于进一步加强，尤其是对青少年和吸烟者。

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Conclusion smoking intervention activities in Beijing worked effectively, but communication on the knowledge of harm in smoking still need to be improved, especially to the adolescents and smokers.

结论北京市吸烟干预工作取得一定效果，但吸烟危害健康知识传播尚有待于进一步加强，尤其是对青少年和吸烟者。

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