It seems reasonable to select 12-14 teeth points for studying, which needed about 5-7 complete tooth marks.

可取的最少牙点位数目为12 ~ 14较为合理，大致需要5 ~7个完整的牙痕。

youdao

It seems reasonable to select 12-14 teeth points for studying, which needed about 5-7 complete tooth marks.

可取的最少牙点位数目为12 ~ 14较为合理，大致需要5 ~7个完整的牙痕。

youdao