您要查找的是不是：
- 环扫SAR Circular-scan SAR
- 基于环扫天线的多模式SAR实现方法 Realization of multi-mode SAR based on circular scanning antenna
- 环扫 circle scan
- 环扫声纳 azimuth search sonar
- 圆轨迹环扫 Circular Trace Scanning(CTS)
- 环扫声纳站 azimuth search sonar
- 圆环 traffic circle
- 吹扫 sweep
- 手环 wrist strap
- 内环 inner belt
- 扫清 clear ... of
- 磁环 magnetic ring
- 扫频 frequency sweep
- 套环 lantern ring
- 扫过 oversweep
- 多环芳烃 polycyclic aromatic hydrocarbon
- 杂环 heterocycle
- 这里你打扫过了吗? Have you swept in here?
- 大环 macrocyclic
- 扫街车 scavenger's cart
