Turnitin
降AI改写
早检测系统
早降重系统
Turnitin-UK版
万方检测-期刊版
维普编辑部版
Grammarly检测
Paperpass检测
checkpass检测
PaperYY检测
[HTML][HTML] COVID-19 vaccine candidates and vaccine development platforms available worldwide
The pandemic caused by the worldwide spread of the coronavirus, which first appeared in
2019, has been named coronavirus disease 19 (COVID-19). More than 4.5 million deaths …
2019, has been named coronavirus disease 19 (COVID-19). More than 4.5 million deaths …