zigzag scan

例句：

1. 1. The engineer used a zigzag scan to map the terrain.
   工程师使用蛇行扫描来测绘地形。
2. 2. The car wasequipped with a zigzag scanner for detecting obstacles.
   汽车配备了一个蛇形扫描仪，用于探测障碍物。
3. 3.The zigzag scanner isdesigned to quickly locate and track targets ina cluttered environment.
   蛇形扫描仪设计用来在杂乱的环境中快速定位和跟踪目标。