Bull s-eye map靶心图
Bull s-eye observation lens靶心观测
Shift of bull s-eye耙心偏移
bull-eye level圆水准器
bull's-eye圆天窗;靶心;黄铁矿结核;靶心图
polar bull-eye plot极坐标靶心图
bull-eye lamp glass牛眼灯玻璃
make the bull's-eye打中靶心