An MICR device senses the presence or absence of a mark, such as a pencil mark.
举一反三
- There are three types of marking: shipping mark, information mark and identification mark.
- A trade mark is NOT _________. A: a symbol B: a label C: a device D: a product
- <mark></mark>标签表示（）
- Marks on transport packages are classified according to their purpose A: Transport mark B: Indicative mark C: Warning mark D: Packing mark
- Safety mark and protective mark refer to A: Transport mark B: Shipping packing mark C: Indicator sign D: warning sign