The wireless contact device realizes the wireless contact between the chiefreferee 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
In my role as the Chief of Staff, that role often is a referee.
作为办公厅主任，我会经常扮演仲裁的角色。
3
Age should not be the chief consideration in choosing a football referee.;