UDDI version 2 has modified some existing message APIs and changed the version identifier on all incoming and outgoing messages.

UDDI版本2修改了一些已有的消息api，并改变了所有进入和发出的消息上的版本标识符。

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This results in a notification message being sent to each observer, informing them that the subject has changed.

结果将以消息通知的形式发送给每个观测者，告知他们这个主题已经变化。

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The signature is a representation of the message body; if the body has been changed, the signature verification will fail.

该签名是消息体的一种表示；如果消息体发生改变，则签名验证就将失败。

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But now the message has changed.

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But the underlying message has not changed: the recovery is still fragile, and so is the optimistic mood we have seen in global financial markets since the start of 2012.

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The humble text message has already changed consumer behaviour in many places.

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