电子标签能源供应的方式不同，又分为有源和无源两大类。

According to power supply, there are two different types of electronic tags: active and passive.

youdao

电子标签能源供应的方式不同，又分为有源和无源两大类。

According to power supply, there are two different types of electronic tags: active and passive.

youdao