有种特别的手持分光镜可以检测出车用安全贴纸中的特殊的色素，可以使用光学的，声学的信号来显示出安全贴纸的真假。

The specialty pigment in the CarSecure stickers can be checked using a special hand-held spectroscope, which employs optical and acoustical signals to indicate whether the sticker is genuine.

youdao

有种特别的手持分光镜可以检测出车用安全贴纸中的特殊的色素，可以使用光学的，声学的信号来显示出安全贴纸的真假。

The specialty pigment in the CarSecure stickers can be checked using a special hand-held spectroscope, which employs optical and acoustical signals to indicate whether the sticker is genuine.

youdao