electronic tagging

英 [ɪˌlektrɒnɪk ˈtæɡɪŋ]

美 [ɪˌlektrɑːnɪk ˈtæɡɪŋ]

n.  电子标识跟踪系统(附于人体，以便警方等知道其行踪)

牛津词典

noun

• 电子标识跟踪系统（附于人体，以便警方等知道其行踪）
  the system of attaching an electronic device to a person so that the police, etc. know where the person is

柯林斯词典

• 电子追踪（指通过在罪犯或嫌疑犯身上安装电子装置以确定其行踪的方法）
  Electronic taggingis a system in which a criminal or suspected criminal has an electronic device attached to them which enables the police to know if they leave a particular area.