本发明特点是成本低、无需防护、抗干扰性强、安装调试方便、操作简便。

The device and the method have the characteristics of low cost, no need of defending, strong anti-interference performance, convenient installation and debugging, and simple and convenient operation.

youdao

对于由无外壳或机箱的电路板组成的产品（例如被安装到计算机的数据采集板），如果按照说明操作，则无需清洁。

Products that consist of a circuit board with no case or chassis (e. g. , data acquisition board for installation into a computer) should never require cleaning if handled according to instructions.

youdao

对于由无外壳或机箱的电路板组成的产品（例如被安装到计算机的数据采集板），如果按照说明操作，则无需清洁。

Products that consist of a circuit board with no case or chassis (e. g. , data acquisition board for installation into a computer) should never require cleaning if handled according to instructions.

youdao