在该模式中，其中一个服务器以主动模式运行，处理来自客户端的请求；另一个或多个服务器以被动模式运行，在主动式服务器失败情况下即时充当替代服务器的角色。

In this mode, one server runs in ACTIVE mode servicing requests from the clients and one or more servers run in PASSIVE mode acting as a hot standby for the ACTIVE server in case of a failure.

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技术在战术的固定模式之上灵活运用是每球得分制下化守为攻、争取主动、把握战机、掌控局势的基础。

The flexible using of techniques over settled tactics is the foundation of transition, take the initiative, seize the opportunity and control the situation under each ball scoring rule.

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