目前，它们被封装进检测光信号的光学器件，以记录磁场的强度。

Recently, they were packaged with fiber optics for detecting the light signals that register magnetic field strength.

youdao

目前，它们被封装进检测光信号的光学器件，以记录磁场的强度。

Recently, they were packaged with fiber optics for detecting the light signals that register magnetic field strength.

youdao