The wirelesscontact device realizes the wirelesscontact between the chief referee and the side referee, simplifies the complexity of the signal transmitter and saves the battery and cost.
本发明可以实现足球主裁判与边线裁判的无线联络，简化了信号发射机的复杂度，省去了电池，节省成本。
2
The latest notion is to store the number on another medium, one that can be read without contact, through a short-range wireless connection.
当前的理念式把号码存储在另一种介质中，无需接触即可读取，通过短距离无线连接完成。
3
And two weeks ago a leading wireless operator launched a 'Peopling service', which connects a smart-phone contact database to Facebook and Twitter accounts.