### Chinese: 通知要求，从完善口岸城市疫情防控机制、健全疫情监测预警体系、落实边境管控措施等9个方面着力，加快补齐口岸城市防控短板弱项，毫不放松、科学精准做好防控工作，织密扎牢外防输入防线。
### English: The notice requires that efforts should be made from nine aspects, including improving the epidemic prevention and control mechanism in port cities, improving the epidemic monitoring and early warning system, and implementing border control measures, to speed up the completion of the weaknesses in the prevention and control of port cities, do a good job in the prevention and control work without relaxation, scientifically and accurately, and organize and strengthen the input defense line of external defense.
### Errors: There is a major error of incorrect translation has stylistic problems at "do a good job in the prevention and control work without relaxation, scientifically and accurately,". There is a major error of incorrect translation includes information not present in the correct translation at "external defense". There is a major error of incorrect translation is missing content from the correct translation at "completion of the weaknesses". There is a major error of incorrect translation does not accurately represent the correct translation at "organize and strengthen the input defense line". There is a major error of incorrect translation includes information not present in the correct translation at "port cities".

### Improved English: The notice requests that efforts should be made in nine aspects, including improving the epidemic prevention and control mechanism in port cities, improving the epidemic monitoring and early warning system and implementing border control measures, to speed up the improvement of the weak links in the prevention and control of port cities, deliver the prevention and control work scientifically, accurately and without relaxing, as well as to strengthen the defense line of curbing imported cases.