判断题

AG走卡通道如下，插入票卡—读取信息—退卡传感器—收票箱。

答案：正确

你可能感兴趣的试题

单项选择题

二胡曲《三门峡畅想曲》是刘文金的作品。（）
A. 对

B. 错

单项选择题

Fraunhofer diffraction is used for situations in which the source, obstacle, and screen are far enough apart that we can consider all lines from the source to the obstacle to be parallel, and can likewise consider all lines from the obstacle to a given point on the screen to be parallel. （）
A. 对

B. 错