When a communication error is detected, ACR alternates connection attempts to the original and alternate servers.
当检测到通信错误时，ACR轮流尝试到原始服务器和备用服务器的连接。
2
A study in the Journal of Communication found that women who engage in a role-playing game online actually spend more time in the alternate reality than the guy players do.
Adopting message communication mechanism, encapsulating alternate event by using XML technology which are captured and handed, then achieving collaborative viewing of 3d model.