signal-shield ground

例句：

1. 1. The engineer designed a signal shield ground to protect the sensitive equipment from interference.
   工程师设计了一个信号屏蔽地面，以保护敏感设备免受干扰。
2. 2.The construction crew used a signal shield ground to ensure that the underground cables were not damaged during excavation.
   施工团队使用了信号屏蔽地面，以确保在挖掘过程中地下电缆不受损坏。
3. 3. The military developed a signal shield ground to prevent enemy signals from reaching their troops.
   军方开发了一种信号屏蔽地面，以防止敌方信号到达他们的部队。