Some of the codes are set by the IOC and external organisations, while others will be unique to the host city, such as the Venue codes.
部分编码是由国际奥委会和外部组织确定的，还有一部分是主办城市特有的，如场馆代码。
Some of the codes are set by the IOC and external organisations, while others will be unique to the host city, such as the Venue codes.
部分编码是由国际奥委会和外部组织确定的，还有一部分是主办城市特有的，如场馆代码。
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