Project ... is already imported into workspace

Project … is already imported into workspace
今天从eclipse导入svn检出的项目一直有如下提示:Project ... is already imported into workspace
百思不得其解,我的工作空间里明明不存在该项目,最后在还是在工作空间中找到了项目的残余,比如,我的工作空间路径如下:Project ... is already imported into workspace
之后,Refresh一下,会有提示确认删除不存在的项目即可,之后,可以成功导入