One important feature of OTA is that one central location can send an update to all the users, who are unable to refuse, defeat, or alter that update, and that the update applies immediately to everyone on the channel.
OTA的一项重要特征是，一个中心位置可以向所有用户发送更新，其不能拒绝、破坏或改变该更新，并且该更新为立即应用到频道上的每个人。