It is to be noted that each zone is overlapped to avoid unprotect (blind) areas.

它是到是着名的每个地域被重叠避免不保护 (盲) 区域。

The comprehensive treatment of the moving spatial blind area in urban crime is really a effective way for the urban anticrime in public traffic means.

移动空间是一种很特殊的空间实体，存在许多犯罪盲区的致盲因素。