The design of the range finder is targeted on high precision and little blind area. 超聲測距儀錶的設計以達到高精度小盲區為目的。
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. 移動空間是一種很特殊的空間實體，存在許多犯罪盲區的致盲因素。
Click on a shaded area to get more detailed information about crime in that area. 點擊一個陰影區，以獲得更多的詳細資料，犯罪這方面的工作。
A small blue circle centered on the ecliptic outlines the extent of the dark region of the shadow or umbra. 月食影像中央有一個藍色小圓圈表示陰影區或是本影區。
