| 单词 | contactless |
| 释义 | contactlesscontactless(ˈkɒntæktlɪs)contactlesscontactlessMaking a connection between two devices without inserting a plug into a socket. The term is a bit misleading, because "physical contact" is very often made; for example, users are instructed to "tap" smart cards on a reader, or two smartphones are held back to back and do touch. However, the term refers to the lack of metal pins, or "contacts," which would be in a plug that presses against the metal pins in a socket. See contactless smart card and contactless payments. |
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