Certain validation rules can also be accommodated as part of XML schemas but not all kinds of transaction validations can be performed using XML schemas or DTDs.

某些验证规则可以作为XML模式的一部分，但不是所有类型的事务验证都可以用XML模式或DTD来执行。

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For example, if we choose to do screen-by-screen validation (instead of the current single validation at submission time) we'll have to add a transaction per validation.

例如，如果我们选择作屏幕到屏幕的确认(代替当前在提交时的单一确认)，我们必须在每一步确认时添加一个事务处理。

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This article showed how and when to use the QoS qualifiers to provide transaction handling, security handling, and data validation.

本文展示如何使用QoS限定符来提供事务处理、安全处理和数据验证，以及何时使用。

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We believe this transaction, particularly when leveraged with our SoftBank relationship, is further validation of our strategy and allows Sprint to control its network destiny.

ENGADGET: Sprint confirms it's buying the rest of Clearwire for $2.2 billion