electronic surveillance

• 使用电子设备（如摄像头、麦克风或跟踪系统）对人员、场所或通信进行监视，通常用于安全或调查目的。

The use of electronic devices such as cameras, microphones, or tracking systems to monitor people, places, or communications, often for security or investigative purposes.

1. Monitoring via electronic devicesB2formal

   The use of electronic devices, such as cameras, microphones, or computer software, to monitor or record the activities of people or groups.

   电子监控

   • The government agency conducted electronic surveillance on suspected criminals.
   • Electronic surveillance is often used in corporate security to prevent data theft.
   • The debate focused on the balance between privacy and electronic surveillance.

2. Legal or illegal observationC1formal

   The act of secretly observing or listening to communications using technology, often for law enforcement or intelligence purposes.

   电子监控

   • The court issued a warrant for electronic surveillance of the suspect's phone.
   • Electronic surveillance without a warrant is considered illegal in many countries.
   • The company was accused of conducting electronic surveillance on its employees.