题目内容
Infrared is also a wireless connection as Bluetooth.
查看答案
搜索结果不匹配？点我反馈
更多问题
Infrared is a kind of automatic connection.
The two drawbacks of infrared communications are actually advantageous in some regards .
Interference cannot work in infrared communications and the message is sure to reach your intended recipient.
Transmission of data via low-power radio waves doesn’t interfere with one another.
微信支付 
支付宝支付