对于中等大小的拍摄图片，整个系统的平均检索时间大约在八秒以内。

The average retrieval time for a middle or large image is about eight seconds which is acceptable.

youdao

对于中等大小的拍摄图片，整个系统的平均检索时间大约在八秒以内。

The average retrieval time for a middle or large image is about eight seconds which is acceptable.

youdao