在国民经济行业分类中，会议及展览服务的代码为7491，归属“其它商务服务”类。
In the national economy industry classification, conference and exhibition service code for 7491, belonging to "other business services" category.
会议中心包含兼具展览及新闻发布厅等功能的大堂服务空间、会议中心、交易办公四大功能块。
Convention center contains four functional blocks of lobby service space with the function of exhibition and press conference hall, convention center and trading office.
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