Since1996 China has successively established a liaison officer system of anti-drug law-enforcement cooperation in border areas with myanmar Laos Vietnam and Russia.

从1996年起，中国还陆续与缅甸、老挝、越南、俄罗斯等国建立边境地区缉毒执法合作联络官制度。

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Since 1996, China has successively established a liaison officer system of anti-drug law- enforcement cooperation in border areas with Myanmar, Laos, Vietnam and Russia.

从1996年起，中国还陆续与缅甸、老挝、越南、俄罗斯等国建立边境地区缉毒执法合作联络官制度。

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