然而，近几年多亏迷型电子及电池和录音机技术的提高让无线传感器变得实用。

However, in recent years wireless sensors have become practical, thanks to the miniaturization of electronics and improvements in battery and radio technology.

youdao

然而，近几年多亏迷型电子及电池和录音机技术的提高让无线传感器变得实用。

However, in recent years wireless sensors have become practical, thanks to the miniaturization of electronics and improvements in battery and radio technology.

youdao