不过事实上，在较早的、更宽松的HTML版本(包括2.0)中就能使用标准模式。
However, you can actually use standards mode on the earlier, looser versions of HTML, including 2.0.
消息交换模式：数据服务可以通过四种主要的消息交换模式被访问：请求-应答（严格SLA）、请求-应答（宽松SLA ），即发即弃和发布-订阅。
Message exchange pattern: data services could be accessed via the four primary message exchange patterns - request/reply (tight SLA), request/reply (relaxed SLA), fire/forget, and publish/subscribe.
持久性设为adaptive意味着如果备用服务器也在活动，那么主服务器以宽松的日志记录模式操作。
The adaptive durability setting means that the primary server operates in relaxed logging mode if the secondary server is also active.
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