A type of special purpose monitor for merchandises was developed based upon CMOS digital IC.

利用CMOS数字集成电路研制出一种专用物品监测仪器。

youdao

A type of special purpose monitor for merchandises was developed based upon CMOS digital IC.

利用CMOS数字集成电路研制出一种专用物品监测仪器。

youdao