根据通知，其中所指的口岸城市包括开放的陆路、水路、航空口岸所在县（市、区、旗 ） 、 所在市（地、州、盟）及所在直辖市，具体范围由各省（自治区、直辖市）根据疫情防控需要确定并及时公告。
According to the notice, the port cities mentioned include counties (cities, districts, banners), cities (areas, prefectures, leagues) and municipalities directly under the central government where the open land, water and air ports are located, and specific scope shall be determined and timely announced by the provinces (autonomous regions, municipalities directly under the central government) according to the demand of epidemic prevention and control.