This technique is also referred to as a "Web beacon", "Web bug", or other similar names.

此项技术也称作“Webbeacon”、“Web bug”或其他类似的名称。

youdao

This technique is also referred to as a "Web beacon", "Web bug", or other similar names.

此项技术也称作“Webbeacon”、“Web bug”或其他类似的名称。

youdao