periscope

例文

• Submarines are most vulnerable to detection when the submarine commander uses a periscope to assess the situation on the surface.

  当潜艇指挥官使用潜望镜对海面态势进行评估的时候最容易被探测到也最容易被攻击。

• The radar affords the helicopter long-range search, imaging, and tracking capabilities for surface vessels and includes an advanced periscope detection mode.

  该雷达可为直升机提供远程水面舰艇的搜索、成像、跟踪能力，包括先进的潜望镜检测模式。